1. science
2. mathematics
3. algebra

HOW
BECOME
TO
A
SUCCESSFUL
THE
OF
ELECTRICIAN
STUDIES
FIELDS
WORK,
ETHICS
OPERATION
OF
OF
METHODS
FOLLOWED,
BE
TO
AND
PROFESSION
THE
By
T.
O'CONOR
SLOANE,
Author
The
Standard
Electrical
Ph.D.,
of
Dictionary," "Electricity
Simplified,"
Etc.
ILLUSTRATED
New
York
W.
NORMAN
HENLEY
Vanderbilt
132
:
nassau
1894.
Building,
street.
"
CO.
Copyright,
1894,
by
NORMAN
W.
HENLEY
"
CO.
X5*
^
-:
r-
PREFACE
The
title
of
and
interpretations,
the
author.
the
ideas
When
died,
he
is
is
no
by
the
of
sum
all
and
ended
doubt
a
if
that
Those
to
and
these
usual
idea
told
book
of
it for
who
look
in
least
read
portions
that
many
could
not
successfully.
few
success.
road
sure
it
would
will
this
words,
of
a
questionable,
however
means
very
this
devoted
was
lived
not
rich,
describe
States
columns,
those
had
comment
poor
demand.
great
to
in
be
naturally
disappointed.
Prefaces
this
preface
in
given
for
stuff,
is
he
produce
It
are
the
will
share
one
word
reader.
each
right
If
as
success.
papers
occurred
have
upon
United
the
daily
on
depend
constitutes
in
the
it must
life,
feared,
be
to
wealth,
be
his
began
There
be
of
of
criticisms
will
what
men
page
favorable
a
Yet
wealthiest
after
who,
man
of
of
variety
a
different
criticism
each
possesses
the
page
story
secure
it
of
of
to
open
down
call
nature
is
work
may
reader
the
and
the
to
a
The
one
little
this
and
It
cares
this
not
of
the
result.
seems
a
hard
the
is
lot.
common
basis
the
and
himself.
for
thing
to
no
say
in
Yet
book
that
and
honor
will
no
and
will
success
is
he
success,
it
of
reader
the
and
book,
a
corner-stone
If
sufficiently
material,
of
of
the
succeed.
study
will
honesty
in
not
are
favorable
themselves
of
fortune.
a
honor
who,
has
mercifully
but
tremble
life
value
will
but
a
left
for
you
reads
of
the
works
for
dreary
failure,
The
a
book
like
cither
case,
it
This
whether
left
Perhaps
it
when
life,
are
after
come
well-spent
a
does
will
and
turn
not
out
turn
may
out
be
a
a
that
goal
a
or
sang,
sermon."
very
long
nature
man
alike
means
one.
who
idea
the
reader.
the
to
it
his
the
author's
the
bad
reaches
he
for
believes
good
now
;
him
by
may,
revealing
as
He
by
Perhaps
Iii
of
and
interpreted
be
fortune
"
traditions
moralizing
disclosed.
is
of
who
an
What
have,
end
those
to
and
accept
fortune.
wrong
can
successful.
itself.
here
the
at
he
stain,
methods
wrong
Leave
be
preface,
is
success
those
sounds
book
by
won
man,
that
and
good
of
that
no
know
ran,
proaching,
ap-
feels
without
he
measure
memories
will
this
this
rich
and
of
you
All
a
and
can
escape
risks
the
enjoyment?
legacy
and
life,
as
years,
its
a
recalls
competence
a
few
he
to
end
wronged
has
temptations,
allowed
lation
accumu-
the
struggle
he
the
feels
he
long
that
his
of
been
as
honorable
and
in
progress
as
the
on
guide
thinks
he
as
back
his
was
who,
He
looks
to
not.
of
who
is
a
CONTENTS
CHAPTER
I.
Introductory.
Problems
the
the
of
Investigator
in
Character
The
to
trician
Elec-
Self-Taught
Aptitude
Thoroughness
"
of
"
Openness
Things"
Qualities
"
the
Relations
"
"
Little
to
One-Sidedness
"
Idleness
Natural
Attention
"
His
Engineer
Science
Pure
and
Age
"
Observation
Electrical
ot
Engineer
an
"
9
Fault
Greatest
II.
CHAPTER
Mathematics.
Arithmetic
Ten
Afforded
Practice
Fractional
and
Geometry
Exponents
Mathematics
of
Chemistry
Analytical
"
of
Algebra
"
Ohm's
"
"
Powers
"
Logarithms
"
Mensuration
Trigonometry
"
Mechanics
in
"
"
Law
Geometry
"
"
culus
Cal29
Conclusion
"
III.
CHAPTER
Physics.
Heat
Bad
and
Light
Practices
Wasted
Rays
Mechanics
Value
of
"
Methods
Light
of
the
of
of
Lamp
"
"
Theory
Experimenting
"
"
"
Energy
"
Study
Physics
of
Reflection
Incandescent
Definitions
of
"
without
Application
Distribution
Economy
"
Dimensions
of
Examples
"
in
of
Physics
"
38
Apparatus
CHAPTER
IV.
Chemistry
Difficulties
Plant
The
"
What
It
Reaction
Tells
Stoichiometry
Chemicals
Books
Value
"
of
a
Coal-Fire
the
Short-
"
Teacher
of
a
Coal-Fire
Chemical
and
the
"
Its
"
"
Hand
of
Precautious
Chemistry
Recreations
How
"
"
Batiery
"
Chemical
Course
and
Equation
"
Experiments
Thermo-Chemistry
Outlines
"
the
of
Equations
"
The
Experimenting
of
to
Read
"
"
"
47
CONTENTS.
vi
CHAPTER
V.
Electricity
Electrical
Electrical
"
Home
at
Resistance
Static
"
Covered
Electric
Strength
"
Extremes
sers
Conden-
Engineering.
"
and
"
Machinery
"
Practice
Its Place
Engineering
Tools
Engine Testing
"
Work
College
"
Use
the
of
in
Work
for the
Machine-Shop
Practice
Reading
Faulty
"
and
Strength
"
VI.
Machines
"
Materials
in
Wheatstone
59
Mechanical
by
Practice
of
"
"
"
Mechanical
in
Used
Current
Electrometers
"
CHAPTER
Ground
Physics
Now
The
"
Coils
Electricity
Magnetism
Law
Ampere's
"
Apparatus
Galvanometer
Modern
"
Appliances
"
Batteries
"
Home
at
Experiments
Quantitatively
Simple
Taught
Making
Bridge
Home.
at
Hands
"
chanics
Me-
Practical
Student
tion
Observa-
"
68
"
VII.
CHAPTER
Drawing.
Its Importance
to
Poor
Reliance
a
Drawing
by Itself
the
in
NoteFree-Hand
Practice"
Sketches
Engineer
Books
Lines"
Shade
Pen
of
or
or
Physics
Chemistry
"
"
"
Pencil
Practice
Descriptive
"
Geometry
Instruments
Sketches
Dimension
Perspective
"
Conventional
"
Profile
"
Prints
Blue
"
Paper
Representations
"
Care
"
of
Catalogues..
"
77
VIII.
CHAPTER
Teachers.
Practicability of Obtaining
Making
Every
Difficulties
Extension
of
Students
of
One
"
School
"
"
The
Teaching
in
Courses
Workers
Hard
a
in
Most
Benefited
Classes
Laboratory
"
culty
Diffi-
86
IX.
Work
Factory
Factory
"
Different
"
the
Solving
"
University
"
Electricity
Electrical
of
Study
Teacher
Science
CHAPTER
Utility
in
Assistance
Work
Uselessness
for
Students"
ofSome
Students.
for
Would
Who
Positions
"
Small
Be
and
vii
CONTENTS.
Works
Large
Time
of
Premiums
"
Expended
in
Paid
for
Work
Factory
Students
by
X.
Course
Education.
and
Disadvantages
Advantages
Scholarships
Tutorships
Large
Colleges
Apparatus
"
Electrical
"
Steam
Wasted
a
Powers
Steam
Unfair
"
of
Engines
the
of
Economy
Station
Engineering.
Wastefulness
"
Steam
-Engine
Different
Building
Motors
"
Bad
"
"
Installation
of
of
Electric
Erection
The
Generating
of
Machinery
Power
Plants
Engines
and
Theory
"
Factory
Cheap
"
Factories
Parts
Making
Meters
and
Their
for
Defects
Engineer.
Its
and
System
of
Knowledge
Functions
"
Required
Boilers
Plants
Running
and
Practice
"
123
The
"
of
Small
XIII.
CHAPTER
The
Faults
"
General
"
Plant
Advanced
"
Workmen
Motor
"
Constructing
The
XIV.
Station
Qualities
"
and
114
The
Public
107
Dynamo
Design
Magnetic Circuit
CHAPTER
The
"
in
Good
Engineering
Materials
Testing
"
in
Fads
"
Engineer.
Factories
in
Improvements
the
Improving
Distribution
"
Done
"
XII.
Manufacturing
Work
Coal
Consumption
Statements
in
"
CHAPTER
The
Coal
"
Errors
"
of
Re volutions
Types
a
Special Study
Engineering
98
XL
Records
Different
Small
Studies
Course
Nature
of
College
a
and
"
"
CHAPTER
Poor
of
"
"
Colleges
"
Schedules
"
92
College
"
"
Courses
CHAPTER
of
Factories
in
Positions
Engineer.
with
Required
Dealing
Complaints
Importance
"
of
"
"
Promotion
President
"
from
Executive
the
Ranks
Ability
"
Mankind"
Courtesy
"
Station
Dependence
The
"
Skilled
Economy
on
the
129
viii
CONTENTS.
CHAPTER
XV.
Inventing.
Should
Become
One
Invention"
Successful
Taken"
Construction
Inventions"
Useless
and
Novelty
Well
as
^fUT?Z^tentS
Constitutes
View
Practical
a
ful
Use-
Invention"
and
The
Be
To
Originality Requisite" Patent
Claims"
Establishing Date
as
Caveats"
and
of
What
Inventor?"
an
Invention
136
XVI.
CHAPTER
Original
Qualifications
Iheonzing
for
Required
Incompetent
Writing
Results"
of
Useless
Research"
Original
Theorizers
"
Publication
Investigation.
Originality
"
"
142
Papers
CHAPTER
XVII.
Success.
The
Race
Which
We
Human
for
Adapted
Element"
Nobler
Dealing
"Contractors"
Vanity"
End
for
"
The
Officers"
The
Honesty
and
Executive
and
with
The
Life"
Honor
"
Directors
Man"
Business
The
Money"
Are
Rings
and
Cliques
150
Workmen
Over-Scrupulousness"
XVIII.
CHAPTER
Reading.
Technical
English
Several
Times"
Notes
"
Books"
The
Index"
Reading
Thinking"
Journals"
Electrical
Book
Indexes
Collecting
a
Instrument"
an
Book
ing
Tak-
Range
Readingand
Card
Scrap-Books"
raphies
BiogReading"
Rapid
Library"
Scrap- Leaflets"
"
a
of
,
Definitions"
Reading
"
T.
164
XIX.
CHAPTER
Ethics.
Professional
Honor"
Giilcher
Conclusion
Examples
Lodge
"
The
Life"
of
"
Truth,
Gentleman"
Successful
Pacinotti
Lives"
"
Elihu
Brush"
Justice
and
Dolbear"
Thompson
"
i
nn
CHAPTER
I.
Introductory,
of
problems
electrical
the
the
to
engineer"
investigator
tions
rela-
his
pure
in
science
"
self-taught
the
electrician
aptitude
age
thoroughness
attention
to
little
things
same
will
the
the
of
right
aspirants,
young
In
try
conducive
life
is
the
and
and
very
of
in
it
their
end
the
a
man.
in
wide
the
is
the
guide
make
to
some
done
man
individual,
direct
to
includes
scientist
words.
principally
depends
to
laboratories
in
professional
of
to
lem
prob-
a
business
good
successful
of
is
solved
a
characteristics
electrician
the
electrician
make
failure
or
fault.
greatest
positively
a
directly
term
of
make
success
occupations.
work
which
to
more
The
qualities
and
exertions
work
the
successful
be
natural
possible
a
cannot
far
go
While
on
idleness
become
to
of
qualities
"
which
The
one-sidedness
engineer
How
openness
"
character
an
ural
nat-
tion
observa-
"
of
and
early
view.
of
range
most
exact
electricity.
Such
.
operations
require
a
special
training,
which
can
only
10
FIELDS
be
had
in
at
the
that
the
of
one
his
must
less
force
is the
From
it he
his
electrical
and
He
; he
motors
of
in
occupied
such
or
is understood
minor
and
category
go
of
the
a
;
and
to
as
in
would
to
and
in
charge
in
hand
their
He
machinery.
larger
spends
his
measurement
hardly
entirely
the
with
who
a
dynamos
be
be
may
of
some
branches
of
shop
he
or
deal
the
take
it is fair
but
works
of the
One
engineers.
electrician.
constructor
of the
out
must
engineering.
laboratory
who
construction
such
college,
engineer.
one
be
written
book,
to
running, having
resistances,
of
who
words
directly practical
apparatus.
operations,
student
some
this
go
an
is
more
generally
electrical
into
first be
when
in the
studies
science,
self-educated
erecting plants
plants
erection
for
electrical
the
may
may
The
find
may
cannot
engineer
electricity.
and
of
will
he
commercial
the
him.
original investigations,
that
An
of
who
graduate
may
the
course
circumstances,
field for
great
in
part
assume
of
of
course,
special cognizance
This
for
of
elements
useful.
for those
principally
take
advice
and
college
uated
grad-
electrician
an
the
equally adapted
college
a
the
From
his
in
is
It
have
to
as
direction
generally
science.
enough
determined
and
take
direction
outside
is
of
universities
great
are
fortunate
cannot
school
During
pursue
which
fortunate
man
of
profession.
he
and
advanced
our
little need
has
WORK.
laboratory,
in
acquired
obvious
the
OF
be
forms
in
time
of capacities
placed
in
the
THE
the
In
of
holder
time
of
He
waves.
in
of
solve
to
liquid,and
a
his
the
the
largely by
judged
of
the
minute
work
of
the
within
scientific
of
realms
operator.
his
is
success
investigations.
his
current,
extra
when
produced
is
broken,
was
light
tion
convec-
hardly
active
his
spark
of
the
to
originality of
the
lishing
estabto
The
and
self-induction
high
is
laboratory,
of
discovery
Faraday's
of
in
field
the
electrolytic convection
work
guide
of
or
waves
engineer.
his
his
take
mystery
the
of
may
factors,
Such
and
ally
much
work
the
of
electrical
the
is the
finds
He
devote
college,
electro-magnetic
investigator, confining
theory,
may
electric
solutions.
gelatinized
scope
of
try
may
currents
the
endowed
His
determining
relations
the
richly
research.
original
to
the
professorship
a
direction
in
of
laboratory
11
ENGINEER.
ELECTRICAL
vation
obser-
circuit
a
of
one
his
triumphs.
The
engineer,
active
of
commercial
judged
by
not
by
the
succeed
and
A
a
no
given
new
a
main
station
he
is
with
not
His
a
be
domain
the
abstract
achievement,
work
must
judged
source
is
success
engineer's
will
and
them
To
number
some
Shall
The
commercially,
in
fruitless
apparently
any
is
hand,
applications.
balance-sheet.
employers.
more
other
life,dealing
its
with
but
theory,
but
the
on
by
of
revenue,
be
employed
his
no
less.
of
watts
locality
be
be
laid
of
energy
distant
to
the'
established
to
are
from
place
central
a
in
there
station.
question,
?
If
a
at
or
main,
shall
how
12
large
shall
it be
is to
keep
to
of
main
will
of
of
cost
the
be
would
in
really
loss
the
loss
of
distant
loss
without
due
that
?
incurring
Such
problems
engineer,
his
and
his
measured
by
Compare
his
the
success
finding
with
work
energy,
but
the
his
in
above
in
the
Faraday's tiny spark,
inch
in
to
the
basis
length,
science.
of
the
Yet
Faraday.
the
He
is
one
of
His
purely
the
profession
to
question
of
sacrificed
a
a
cost,
main
money
of
such
to
due
the
with
the
fraction
milestones
of
lucrative
never
size
?
be
solution.
minute
money
a
must
original
this
the
electrical
them
theoretical
in
limits,
charge
economical
which
coal.
extra
potential
confront
of
that
of
such
interest
most
put
necessitate
will
dealing
can
of
waste
potential
an
which
involves
its use,
in
fall
heavy
too
as
will
make
fall
the
station
a
original
limits
the
means
to
he
Can
reduce
to
as
of
the
He
to
in
put
interest
the
within
which
generation
main
small
main
energy,
exceed
the
potential, inevitable
of
of
as
system
to
investment.
the
independent
in
of
point.
Which
because
by
practical
pretend
because
on
the
at
cannot
and
distant
aspect.
resistance,
resistance
the
cost
low
charged
but
A
He
?
copper,
high
a
look
to
it
supply
to
the
to
the
concentrate
and
plant,
one
has
to
as
theoretical
best
the
so
resistance
low
the
to
pay
main
in
energy
engineer
opposed
theoretically satisfactory way
station,
very
the
Here
The
?
one
of
generation
a
PROBLEMS.
ENGINEERING
a
work
gator.
investiof
an
life devoted
is
at
voted.
is de-
book
occupied
practice
simply
SCIENTIST
THE
his
devote
to
life
made
was
of
work
fathers
the
The
so
is
scientific
tell
standing
that
whole
for
and
work
His
4io
is
one
it than
is the
respect
for the
experiments
educated
the
and
extra
interest
and
now
sees
rivalling
light.
an
anxious
enlightened
scientist,that
as
spark,
in
the
efficiency
the
a
which
the
insignificant in
least
of
and
theorist
with
Hertz
spark,
is his
of
Hertz's
direct
better
now
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so
little
utmost
still smaller
The
his
a
explore
the
looked
Clerk
mystery,
great
towards
fire-flyas
d'etre
J.
to
So
of
any
knows
raison
no
formerly thought
possibility
of
theoretical
upon
appearance.
the
insisting
He
tiny sparks
step
been
engineer
practical world,
its successor,
at
need
none
has
lesson
unexplained
the
time.
but
useless,
engineer.
The
apparatus
unfavorably
Faraday
for
No
present
criticise
have
is still
trained,
the
is based
would
hailed
apparently
investigation.
of
light.
of
This
that
current
on
more
more
he
as
field
were
of
production
of
that
engineer
primitive
electrical
an
the
investigators.
is little
there
possible
and
seem
to.
profession
such
Maxwell.
lead
scientific
to
and
discoveries,
It may
hears
one
to
abstract
electrical
their
slow
work.
object
his
be
that
No
the
dynamos
great
to
learned
it.
in
it will
what
well
upon
but
the
moral
purely
can
of
making
original
seen
His
disinterested
many
have
could
and
the
in
part
a
to-day,
possible by
useless
one
of
work
practical
had
13
WORK.
work.
original
to
have
investigations
HIS
AND
engineer
apparatus
producer
of
14
Thus
united
the
bonds
the
scientist
educated
in
than
of
capable
of
before
The
the
the
as
the
feels
first
The
is
become
very
the
that
road
of successive
but
book
is to
give
who
have
profession
On
course.
in
the
not
sides
all
the
sees
lights
electric
village
is worth
he
farms
the
On
shops.
that
all
some
public schools, in
the
he
such
profession
should
which
As
or
to
that
city,
have
lates
annihi-
to
do
they
have
lesson
generations,
they
will
as
anything,
provided
of
the
taught
not
only
that
travel
to
ambitious
advantage
the
is
understand
competitors
fully as
equally willing
great,
practical
space.
men,
The
than
audience
much
neighboring
of
work
electricians.
electrical.
this
when
give
and
thing
college-bred
and
in
uphill
an
derive
in machine
youth,
the
darkness
it
of
found
be
would
in
share
some
larger
a
college
and
cars
he
that
acquaintance.
mutual
to
the
a
may
a
many
electric
and
hopes
for
of
high schools,
well,
has
he
that
aspirants
aspirants
by
No'longer
college laboratory.
advantage
such
are
jealous
fade
to
principal object
to
them
of
many
selves.
laboratory investigations them-
engineer
from
benefit
highly
more
awa?
begun
feels
the
:
stronger
grew
are
and
electricity
tific
scien-
scientist
hints
times,
other, they improve
each
The
engineer
engineers
old
of
advent
distinctio^NJDetween
practical and
has
men
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the
to
executing
The
PROFESSION.
with
that
Electrical
day.
every
THE
FOR
ASPIRANTS
to
have
themselves,
it
college training
by
the
in this
is
is
experience
country,
but
TO
HOW
in the
and
often
they
are
whose
years
of
first
thing
any
the
first
that
a
inspiring
and
in
work
of
and
is
gone
being
The
science
Before
who
with
through,
ultimate
includes
suggested
of
that
some
of,
or
wages
much
too
electrical
an
conceivable
even
electricity,might
being
entering
and
ready
speak
we
about
It is
first
is
he
it is not
case
the
Perhaps
class
promoted
on
some
Even
car.
in
to
more
attending
distributing meter-zincs,
at
least
will
felt
be
something
apprenticeship
an
the
to
in the
is
being
profession
through.
of
age
or
the
is often
student
less scope
matter
in.
comes
age
entrance
more
classes
satisfaction
a
fact
the
the
position
runninga
work,
entering,
of
such
thus
collecting
question
the
future,
understands
line,
that
learned,
lived
the
acceptable.
than
similar
realization
but
men,
been
earning
electrician,
an
in
young
is whether
In
any
be
the
lamps,
competitor.
electrician.
the
be
may
trolley-man,
upon
of
Taking
almost
as
in the
an
if small.
that
often
man
work.
object
graduate
work
has
such
determined
of
should
works
like
young
be
to
salary, even
say
before
front,
the
to
equipped
are
become
to
kind
for
to
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desires
above
work
can
without
son
success.
that
Assume
man's
poor
better
through
lived
be
attainment
to
work
hard
will
and
his
passes
of
Years
the
education
of
advantages
any
is that
World,
Old
BEGIN.
schools
our
seventeen
has
and
In
to
eighteen.
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severity, which
appertaining
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nation
exami-
proposed
THE
1G
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profession.
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whom
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and
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home
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in
line
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the
to
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requisition
If it is in
will be
looks
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apt
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be
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to
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may
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people
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in
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services
for
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to
wish
erecting
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will
he
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such
things.
engineer,
help
to
him
him
accomplished
true
teries
bat-
he
life.
seem
only
studies
door-bell,
electrical
very
true
"
and
this
in
harm
scientifically
perhaps
early
most
constructing
His
an
no
give
electric
pretty
headings
is
neighbors
book
of
A
home
an
become
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strictly true
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his
profession
received
to
in
sense
branches
have
direction.
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a
of
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There
it in order.
show
has
This
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to
its
over
electrician
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will
trying
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lusters
lines, for
and
recreation
among
boy
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some
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such
them.
between
keep
for
arithmetic
this
home
in
begun
on
least
find
is such
how
But
worked
at
first four
suited
electro-magnets,
telegraph
be
be
may
student
will
young
general moral, nevertheless,
work
disposed boy
so
those
The
from
public-school
But
all
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are
should
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in
benefit
permanent
and
may
profession.
Those
or
reaching
well
age.
science,
man
young
study
excelled
before
long
chosen
life.
insensibly
natural
a
be
early
that
is written
book
The
an
his
BEGINNING.
us
a
may
is obvious.
quite
tells
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at
FOR
seventeen
study
to
this.
a
of
age
AGE
of
of
know
to
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If he
?
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an
person.
electrician,
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succeed
well.
as
easiest
as
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18
LEARNING
Ohm's
circuits
;
giving
great
chances
for
should
and
be
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by
Your
endless
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as
modifications,
in
work
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of
references
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use
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to
direction.
physical units),
as
ingrained
so
habit
functions
and
nature.
its
(mechanical
inertia, force
motions
THOROUGHLY.
in
law,
work
Energy,
LITTLE
A
lations
calcu-
machinery
part of your
a
should
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instinctive.
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idea
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Little
scientific
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compare
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criticism
by
when
progress
will
He
far,
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him
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be
will
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on
progress
than
year
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so
of
college
knowledge
to
maintained
his
by
to
he
will
the
true
little
electrician
an
of
the
on
of
own
ertions
ex-
self-educated
border-land
proves
little
subject
a
content
and
and
how
be
to
man
young
further,
such
go
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step of
"
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course
see
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and
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so
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Take
let
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knowledge
This
that
mapped
But
want
a
that
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and
extent,
college
further.
thus
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little,that
were
means.
go
utility
all
prescribed
nature.
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so
"
is
study
any
it
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go
any
this
of
part
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should
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out
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course
carried
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to
his
arrest
science
do
so.
nature
king's
only.
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highway
appreciated
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because
easily gained.
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work.
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little
bit
very
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said
will
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indicate
carry
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general theory
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learn
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quantity
INDICATIONS
habit
superficially,a
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stead
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object
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;
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and
retical
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be
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;
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think
You
practical
better
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farm,
all
science
competition
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after
not
of pure
acquire
the
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within
minds
and
slowly
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created
far
ambition
subject.
our
with
and
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stand
will
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happily missing;
compete
embarking
you
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in
between
jealousy
science
will
you
19
Restrain
life.
better
basis
a
upon
old-time
the
do
profession
a
acquired
introduce
will
much
be
If
will
you
CHARACTER.
through
ground.
thoroughly,
This
will
OF
an
gineer
en-
decide
and
machine-shop
than
you
electrical
engineering.
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is in
surveyor
farm
or
him.
a
The
ask
with
finds
make
live
boys
near
their
by
object
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the
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game
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real
once
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will
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help
interest,
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or
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clue
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will
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engine
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ball
baseto
as
Let
know
new
local
survey
which
engineer.
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him
of foot-ball
railroad.
numbers
help
boys
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Here
different
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the
signs
interesting.
of
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other
will
engines
will
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to
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village.
country
a
of
offers,
more
which
in
want
lot.
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assist.
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live
boys
same
the
teristics
characwill be
He
will
20
NOTICING
the
note
of
If
it.
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sand
had
in
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sand
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to
see
baked
will
boy
It is
to
there.
one
saw
of
of
from
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received
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There
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moral
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look.
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other
trivial
an
a
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this
multitude
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great
was
it
;
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was
the
made
of
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told
briefly told
of
things
things
to
in
or
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learned
observation
is
brick
the
rejected applicants
they
scientific
but
observer
good
The
lesson
what
opposite,
The
place.
assistant.
needed
indicated
house
material,
of the
the
it
tell
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an
them
Taking
by
a
select
to
men.
one
only
the
estimation
Agassiz's
be
make
to
wished
young
that
saw
described
as
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them
noted
house,
selected
things
of
asked
general environment
was
is to
such
select
you
that
number
a
Some
stone,
would
it has
The
(or below)
above
boy
examine
Everything
determined.
causes
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whether
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bite.
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he
a
it
has
of?
out
window
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it
soul
which
told
assistant
its
a
But
engineer
quality
and
have
things.
what
has
will
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heap
engine
an
sand-box
rail.
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upon
give
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that
be
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little
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that
not
touch
will
he
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does
never
uses.
tell him
will
are
upon
rail
in,
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work
wheels
exact
sand
to
investigated
its
starting, and
drop
to
will
the
is
learns
how
"
travelled
a
where
rail-side
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by
trouble
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he
tracks
mind
why
semaphore
new
until
satisfied
of
its sides
on
even
the
His
bright.
some
interesting question
rust
of
peculiarities
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THINGS.
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in
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mind.
:
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Use
seen,
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line
eyes.
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may
THE
have
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a
Study
let
to
of
fire-fly,the
The
West
Indies
electrical
envies
almost
small
their
light
pure
things
but
the
of
; he
energy
curculio
definite
very
will
they
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envies
light
to
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houses
a" half
and
two
less
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mous
enor-
interest
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reckless
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iture
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three
or
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He
waves
suggestion
at
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interest.
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time
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them
producing
faint
some
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hope
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than
give
of
on
and
efficiency as light-producers.
because
investigated.
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envy
power
always
you.
things.
with
there
be
to
escape
looks
engineer
them
little
them
21
out,
glow-worm,
all
are
worked
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OBSERVING.
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and
studied
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remain
ART
watts
to
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candle-power.
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who
man
his
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to
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The
is
exact
training
distinguish
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and
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be
his
Here
?
questions
library,and
until
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finds
will
be
the
again
born
if books
out
in
sensible
do
books
some
ones
be
"
to
or
way
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has
received,
idle
questions.
know
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by
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asked,
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tell
proportion
ascertained
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and
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in
mind
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Questions
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to
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His
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tions
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duty
published
who
in
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future
whose
concealed
A
electricity.
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regarded
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definitely
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certain
characteristics.
be
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is
greater
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sidedness
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of
character.
results
that
error
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than
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we
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tific
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To-day
in
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have
our
minds
excellent
engineering
the
because
researches
sad
all
vidual
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field,
falling into
engineer
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youth,
true
criminal,
his
it
inquirers
doubted.
is
science
sional
profes-
in
one-sided
of
may
Then
science.
a
less
open
to
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be
almost
Some
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shows
marks
prosperity
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Cavendish
himself
matters
life
even
along
a
essential
value
But
helps
nothing
of
is
tell
more
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made
them.
than
Conceal
be
or
naturally
bias.
ness
would
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those
to
later
In
is
should
candor
science.
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advanced
less
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tained.
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than
to
mind
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is
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worse
science
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direction
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If
unwillingness
way
communicate
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cause
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out
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for
in
should
information
shows
them
journal
some
knowledge.
our
is
to
is outlined
what
ask
may
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desired
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find
of
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write
may
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intellect, it
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impart
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thing
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queries.
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insure
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answers
The
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will
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restlessness
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ANSWERING
AND
should
but
one-
be
an
ONE-SIDEDNESS
man."
"all-round
and
If
himself
up
to
any
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last
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writer
The
talent
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his
he
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ruin
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man
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again
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with
But
ways.
sidedness
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have
work,
what
he
rigorous
life,and
is
measures
both
tools,
men
and
as
a
with
evident
that
should
have
should
literature,languages,
or
have
pursuits.
not
anything
who
can
in
life
and
one-
is devoted
do
anything
gifts which
both
these
taken
been
been
knowledge.
accomplished
natural
in
home
humanity,
He
does
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man
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is
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writer's
victim.
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alone,
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solitary
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for
to
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paniment
accom-
work
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mechanic,
him, too,
should
It
possesses.
the
erly,
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recluse, only
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doing
selected
reads
it
combated
world,
a
family
desire
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mechanics.
for
with
But
become
is
instance
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by
been
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veloped
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who
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man
opens
profession
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frequent
too
machine-shop,
Another
to
a
suppose.
man
unknown
other
the
in mind
life
repugnance
young
do
never
the
young
one-sided
a
adopt
fostered
should
This
It
a
ture
na-
and
one
in secrecy,
for
now
was
all
in
away
in
would
one
The
works
human
at
beginning
himself,
has
early
and
with
ether
within
success,
23
speaking.
are
His
the
should
who
one
from
of
chances
deal
to
luminiferous
and
one,
has
He
the
time.
same
shuts
with
OPENNESS.
AND
made
that
he
cases
early
to
would
in
study
break
24
COMPREHENSIVENESS.
their
up
too
great
too
little.
For
electric
science.
will
in
that
have
an
His
works
business
work,
and
must
must
not
undertake
great
aptitude
and
view
of
have
lacked
make
it
be
may
half-way
A
The
and
of
proud
the
to
quality
or
who
"
his
goal
of
to
conceal
your
the
who
man
true
a
has
to
seem
A
he
chanics
me-
who
can
do
work
prism
only
"
gone
engineering.
characteristic
Sometimes,
obliged
cited
machine-lathe
but
a
comprehensive
just
file up
he
of
"
can
skill,
but
Hence
hand-lathe
a
inadequate
for
made
a
his
their
work,
comprehensiveness.
on
do
operative
taking
examples
perfection
to
not
of
power
this
small
a
was
the
of
broadening
a
say
machine-
a
them.
and
by
not
others
for
lathe-work
balanced
things.
work
can
it
belt-lacing
in
man's
each
may
Napoleon
that
see
do
to
for
be
by
must
understand
must
mind
he
"
the
He
does
time
his
be
warped
difficult.
his
this
an
laced
badly
things.
but
to
that
see
more
lead
as
larger
or
much
may
way,
is
the
A
these
he
hurtful
Buckled
all
for
that
seems
as
to
up.
firing
original
station
is
trouble.
eye
or
is
with
put
personally spend
must
shop.
business
grate-bars,
and
new
he
His
proper
better
a
concerned
properly
make
must
invent
is
endless
give
grate-bars
He
is
plant
really
mechanics
for
engineer
of
things
It
thought.
aptitude
an
an
belt
of
monotony
to
avoided
be
unfortunately,
ignorance,
and
you
in
is sensitiveness.
may
feel
general
to
26
IDLENESS.
satisfaction
the
least
of
widening,
constantly
that
that
positions, and
more
attain
that
will
interest
one's
times
to
work
they
we
holds
to
the
have
to
backbone
the
that
need
electricity is employed
to
idleness
But
will
in
if
profession,
that
"
the
on
science
the
are
What
evils
of
beneficent,
are
alleviate
is
which
cruelty.
touch
of
of life.
men
they
faults
and
not
aims
highest
for
do
they
young
the
two
are
idleness
"
here
say
of
and
more
ranks.
there
character
The
cruelty.
and
the
from
up
Ruskin
fatal
be
come
such
excited,
most
be
which
is for
is
profession
will
success
any
It
is
the
there
deserved.
be
that
feeling
the
troubles
sin
deadly
of
the
professions.
Idleness
commits
and
lies.
The
his
work,
is
and
plant,
a
all
idle
the
small
boiler
a
heavy
accurate
short.
the
or
in
another.
The
the
computation
is
made,
here
is
measured
lie
of
amperes.
bit
loss
of
Its
which
der.
mur-
calculate
plant
; too
to
be
replaced
loss
to
the
It
the
in
criminality
at
electric
lies.
instead
rough
and
is
to
electric
steal.
A
The
an
of
details
distribution
a
idle
too
has
calculated.
be
to
monetary
Every
is
which
represents
owners
is
bought,
by
expense
works'
volts
is
everything
in
death,
to
steals
murders,
heeding
leak
a
engineer
An
of
dimensions
of
is shocked
man
it
"
electrician, not
cause
It steals.
out
crimes
dynamo
A
namo
dy-
of
falls
deficiency
is measured
an
of
by
incurred.
careless
measurement
executed
in
PERSEVERANCE
the
The
life
bit
of
really
all
one
is
ethics
of
motive
the
by
and
this
be
lie
a
is
be
not
than
conscientiousness.
honest
in
guided
alone.
honorable.
of
it
Go
be
"
Let
professional
to
beyond
step
a
work
your
superlative
the
conscience
your
will
that
self-approval
of
give
outweigh
college degree.
any
quality
Another
is
It
for
thing
one
making
look
if you
and
make
You
it ;
book
a
No.
36
try
wire,
which
is
enough
left
make
suitable
a
of
weary
you
or
the
if
to
fices
sufthis
Does
build
its
coil.
month
a
task.
to
see
school
your
week
character
testing
finish
to
your
breaks
done,
at
A
physics.
or
Wind
it.
it and
when
layer, and,
directions
but
keep shellacking
interest
persistence.
"
short
special arrangements
indicate
neer
engi-
an
?
on
It is well
character
that
and
it is sad
there
of
to
suited
to
natural
selection
him.
things
are
a
a
the
easy
want
and
in study
judging
of
professional life,
without
man
Indolence,
of
for
struggle along
to
for
basis
some
young
encountered
fatal.
is
adaptability
see
profession trying
which
for
coil,
of
out
study chemistry
to
in
read
continuity layer by
energy
looked
be
to
induction
an
at
is
to
secondary
your
for
light, involves
applies
"
honesty
more
diploma
a
you
Do
of
be
honest,
this
that
ethics
conscientious.
Be
27
WORK.
theft.
probable
a
in
considered
laboratory,
and
IN
in
of
for the
taste
not
company
persistence,
rejection
indicate
of
the
ficult
dif-
qualities
FITNESS
Do
then
not
such
men
the
be
extent
aptitude,
high
but
"
much
will
If
impart
and
begin
to
know
man
he
of
tient
pa-
inclined
a
ber
mem-
to
some
natural
with
compete
of
men
the
by
best
in
open
to
as
there
it,
he
of
nothing
In
so
and
work
The
only
than
is
not
or
reasonable
to
easy
matics
mathe-
science
modern
of
feel
of
regard.
better
to
electrician.
it is not
this
and
may
is industrious
man
test-object.
receive
dread
but
so,
in
is
willing
without
be
observer
nature,
profession
and
a
natural
tastes,
the
to
a
of
aspect
ematics
math-
familiarity
is essential.
gives
subject
in
everything,
are
This
work
general
is
of
well
the
mathematical
and
a
them
is
as
whether
him,
as
place
young
expectations
to
to
with
for
profess
to
easy
try
not
of
want
supplemented
industrious
be
must
answer
to
If
training
the
to
suffice
knowledge
mechanical
way
a
if
everything,
is
have
dignity
become
to
try
for
aptitude
subject.
He
will
the
naturally
not
college
even
son,
Thomp-
yourself.
not
A
Elihu
by
education.
This
fitted
if
do
you
captained
letting
from
profession.
natural
college
of
without
reflected
compensates
ranks
Thomson,
persevering,
the
WORK.
enter
William
mathematics,
of
the
to
Tesla,
company
towards
It
Sir
and
and
BEGIN
attempt
as
Brush
TO
and
the
a
reason
speaking
course
of
for
plunging
of
mathematics
study
to
be
at
once
and
followed.
into
of
our
their
29
II.
CHAPTER
Mathematics.
arithmetic
practice
"
powers
of
afforded
ten
mensuration
of
mathematics
to
his
he
is,
"
so
alone.
in
well
first
certainly
you
J.
Do
life
basis
not
will
not
if
of
much
cured
of
your
that
he
his
that
modern
mathematics
his
to
for
vied
en-
him
?
the
electricity,and
distaste
such
Faraday
went
laid
ple
exam-
with
discoveries
he
course,
a
start
suppose
as
his
follow
to
such
you
high
as
follow
when
of
cian.
mathemati-
get
let
and
follow
realize
and
be
may
train-boy
a
no
if you
will
elucidate
to
Maxwell's
care
not
be
to
dreaded
the
from
up
enough
Maxwell
mathematics
are
you
Clerk
claims
else
anything
principles.
geometry
about
working
respect
one
Reparation
in
you
do
your
example
for
position,
will
You
given
be
Edison,
present
matics
mathe-
analytical
"
can
?
law
CONCLUSION.
"
advice
What
ohm's
"
chemistry
CALCULUS
"
nometry
trigo-
geometry
algebra
"
"
exponents
fractional
and
logarithms
"
mechanics
in
for
Read
matical
mathesee
mathematics.
if
30
ARITHMETIC
Dislike
for
The
usually
the
advice
drop
or
mathematics,
the
Arithmetic
you
review
further,
arithmetic
7,
8 and
here
If you
is
algebra
take
you
and
the
you
from
in
problems
arithmetic
and
mechanics
at
Perhaps
this
can
but
achieved.
the
very
appear
And
the
and
sister
equations
time
in
In
scale
will
like
studying
same
will
its
studies.
physics
another,
to
in
metic
arith-
inertia,
exercise
chanical
me-
in
you
algebra.
The
reciprocation.
a
are
the
periment
ex-
an
whether
practice
other
your
elementary
be
you
mathematics
deems
in
will
There
have
will
falling bodies, problems
and
as
see
simple
thermometric
one
powers
and
in
algebra
change
Then
physics.
up
Henceforward
and
than
through
go
ends.
your
by algebra,
easier
sometimes
not
In
science.
together
going
get
hard, try
arithmetic,
by
together
it too
c
slowly.
and
fingers'
in
go
Well, before
your
b and
a,
you
go
books
swered
an-
matics
mathe-
study
to
also
school
think
easily
further
know.
at
more
add
9
algebra
before
better, but
old
is
given
you
is
above
The
once
to
laziness.
electricity.
say
in
dislikes
specialized
given
be
to
your
algebra.
start
of
question
opening
:
form
a
ALGEBRA.
like
mathematics,
is
general,
AND
will
take
physics
a
on
ing,
mean-
new
familiarity
your
or
with
your
increase.
reader
has
gone
elementary.
equally simple,
many
a
through
If
book
our
its end
college
calculus,
and
throughout
will
graduate,
have
who
been
has
OF
TEN.
fail
sadly
POWERS
in
passed
of
law
falling bodies,
in
is involved
for
have
you
pick
and
beyond
advances
up
the
One
of
that
saying
units
in
of
of
ten,
in
in
to
the
powers
them
The
*See
five
enable
five
of
is
pass
you
other
to
doing
of
it in
v2 may
be
to
months
without
use
So
let
it
a
over
is used
more
perior,
su-
way
calculate
five
cm.,
The
every
tells
study.
peculiarity
"Arithmetic
of
express
cm.
study
or
never
without
and
units,
and
in
how
learn
hours
ten, and
magnetic
propagation
may
9xl020
as
minutes'
minutes'
of
cm.,
certainly
must
Five
ten.
perhaps
"
of
you
3xl010
Instead
such
we
cm.,
units.
electro
108
takes
he
as
often.
powers
velocity
mentary
ele-
900,000,000,000,000,000,000
ten,
method
and
it
v, the
as
of
powers
compact
of
full
physical
it is
that
being
as
and
100,000,000
30,000,000,000
expressed
or
is
say
calling
waves,
powers
we
of
use
volt
a
value,
instead
ether
is the
these
of
of
and
peculiarities as
physics,
dimensions
of
in
propositions
two
note
electrical
feeling
mathematics,
arithmetic
of
will
He
; but
in
book
this
them.
prove
student
our
into
theory
can
metic
arith-
simple
reader
us
the
deducing
criticise
elementary
if you
to
in
only
not
far
dozen
see
do
exalted
algebra.
he
So
enough,
a
return
though
it.
gone
half
out
physics
To
far
going
not
that
would
calculus,
31
in
how
you
will
slip the
practice
hard
calculation
ers
powto
be
do
quired
re-
results
upon
involving
yourself.*
in dimensions.
Electricity,"page
118.
It is
EXPONENTS.
FRACTIONAL
the
but
"
fractional
of
use
how
try
Taking
the
reduce
it
with
analogy
utilityof
symbols
identical
to
they
the
in
is
done
lowest
applying
and
For
M2.
division
exponent
of
Nothing
could
it occurs,
and
the
iJ/T, by
M^
can
persuade
your
algebra.
after
all
they
their
theory
Make
a
point
to
learn
But
an
does
do
well
instrument
not
using
like
or
the
dividend.
whenever
it
tion
by simple inspecfrom
tial
poten-
intensity
current
other.
the
taken
up,
how
for
and
their
it,study
immediately
them
to
manner
the
resistance
be
sum
M^,
gives
practice
and
next
yourself
of
of
by
one
should
are
T
L*/T
dividing
Logarithms
the
as
exponent
of
deduce
can
L
dimensions
difference
M*
if you
see
but
any
exponents,
new
in
that
from
simpler,
be
the
subtract
you
divisor
the
or
exponents.
M"xMi
Thus
original symbol.
the
numbers
fractions, reducing
terms,
must
you
the
in
regards
as
fractional
adding
the
identical
of
So
any
by
by
common
were
that
exponents
followed
symbols
division
divide
and
an
is greatest
general.
fractional
multiply
Multiplication
if
and
can
discern
fact
the
calculation
of
numbers
with
to
in
ten,
multiplication
of
operations
of
2
them
of
will
You
tell
can
exponent
if any
see
value.
methods
of
or
how
11^,
true
powers
both
operations
learn
its
to
the
by
meant
expression
simple
acquaintances
your
is
what
precisely
you
of
many
is very
This
exponents.
to
them,
purposes
concern
frequently.
in
theory
use
your
if yeu
If
for
"
you.
you
do
TRIGONOMETRY
34
is
what
but
really
of
not
the
itself"
contentedly
very
and
yourself
proofs
proof
of
proof
find
may
you
Thus
the
in
the
rules
plane
and
sition
propo-
may
you
gles
trian-
of
area
troubling
without
pyramids,
of
is the
use
it.
of
calculating
on
go
the
about
practical
most
volume
the
MENSURATION.
AND
which
use,
you
solid
geometry
respectively.
is
There
by
similar
things
should
you
also
functions
of
It is not
necessary
learned,
but
would
just
be
to
functions.
others
the
which
of
arc,
an
for
will
rule
of
the
asi-
pons
triangles
of
or,
which
mensuration,
a
How
to
and
of
amounts
to
solve
to
radius
little
more
tered.
mas-
it
But
in terms
be
must
be
logarithmic
and
function
one
to
triangles,
few
a
logarithms
express
the
affair.
small
very
others.
thoroughly
be
must
practice
in
and
triangles
of
solution
understand
to
as
so
sine, cosine
the
the
be
practice
really
the
practical geometry,
studied
functions
the
excellent
get
to
areas
miliar
fa-
very
frequent
put
famous
The
under
be
must
This
be
know.
Trigonometry
the
the
"
under
come
is
This
asses."
of
strictly speaking,
more
should
hypothenuse
"bridge
or
should
you
you
practice.
the
of
norum,
and
of
way
square
which
and
with
use
proposition
one
than
worked
the
of
up,
solution
right-angled triangles.
Mensuration
ordinary
must
it is
cases
to
learn
be
very
by
learned,
and
simple.
It
heart
a
as
applied
will be
dozen
very
good
to
vantageou
ad-
rules,
PRACTICE.
GENERAL
such
those
as
of
volume
ratios
convenient
in
vary
parts
the
area
or
functions.
which
the
as
should
like.
that
same,
the
Then
come
the
such
as
their
two
are
similar
learned
thoroughly
linear
three
or
tained
con-
surfaces
symmetrical
of
squares
ficies
super-
the
mensuration,
of
There
be
of
the
statement
in
circle, the
a
volume
and
cylinder
a
of
area,
the
sphere,
a
of
most
the
giving
35
of
and
these
practiced
upon.
is
There
in
mathematics
It is
which
the
but
is Ohm's
is based
be
law.
entirely
forms
be
can
varies
with
the
it
of
as
and
a
the
whole,
not
take
as
also
mention
for
it
of
with
with
the
up
which
to
them
geometry,
proportional
given
one
made
it is better
keep
up
of
its
two
clude
in-
ratio
or
of
under
to
and
chemistry
with
The
separately.
study
of
istry,
chem-
chemistry.
treat
mathematics
calculus
directly
in-
above.
mathematics
the
is
and
should
law
by
current
embodies
Ohm's
such
the
force
This
resistance.
electrician
and
expressed
electro-motive
the
work
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principal
thus,
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also
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tities,
quan-
infinitum.
proof.
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Practice
operations
may
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proportions.
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of
specially.
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practiced
treated
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changes
little
one
proper
should
simple algebraic
a
This
electricity
the
itself,
of
alytical
an-
higher
ANALYTICAL
36
mathematics
should
in
be
self-educated
a
Of
course
the
But
be
must
in
curves
the
co-ordinates
giving
outline
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card,
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laws
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angular
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scriptive
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is learned
well
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would
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electrician
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ting
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curve
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calculus.
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be
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types,
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analytical geometry
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man
study
has
general
part
a
GEOMETRY.
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mathematics.
thoroughly,
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from
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work
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something
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epitomes
for
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text-book
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on
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geometry
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calculus.
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recommendation
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THOROUGHLY.
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LEARNING
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CHAPTER
III.
Physics.
heat
light
and
physics
bad
examples
of
practices
in
reflection
light
of
of
the
of
of
general
less
view
it
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physics
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and
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branches
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physics
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student.
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involve
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it
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and
know
to
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only
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day
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necessary
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heat
its
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any
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study
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especially
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as
mechanics
of
present
generation,
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econo-
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physics
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physics
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incandescent
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re-read
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DISTRIBUTION
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physics
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physics
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the
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He
from
watts
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direction
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on
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illumination
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student
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producing
feet
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bulb, involving
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cent,
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250
ply
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fifty watts
studies
opaline globe
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earth.
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lamp
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glass.
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know
know
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will
of
high
from
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transparency
loss
to
walking-stick.
be
be
as
or
of
him
observations,
well
so
39
should
He
energy.
photometric
principles
LIGHT.
OF
possibly
face
sur-
he
40
PHYSICS
have
may
chance
a
HEAT.
OF
to
try
such
materials,
better
some
totally reflecting prisms.
as
It is evident
useful,
be
Measure
it
multiply
by
filament.
entire
it would
genius
research
of
physics
You
yet
may
heat
energy
kind
of heat
with
should
light
be
are
welding,
and
As
to
objects
the
of
to
is used
white
is
reading
the
to
brilliant
and
of incandesce
the
other
to
this.
and
to
supply
driven
by
light,
The
matter.
much
very
heat
relation
cerned
con-
energy.
He
between
heat
and
descence,
incan-
and
conduction
The
a
current,
electric
by
engineering topics
physics
than
some
of
sources
solid
phases
clue
use
are
of
branches,
rather
lar
simi-
invention
luminescence
other
light of
other
some
therefore
laws,
Think
?
some
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under
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in
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heat
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studied
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give
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radiation,convection
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sort
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its
understand
heating
a
instrumentality
utilization
the
light, and
and
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stroke
called
electrician
working
inches
Luminescence
engines.
unfortunately,
six
room
one
and
lamp
say
a
a
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such.
as
at
miserable
lamps?
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the
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for
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horse-power
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easily found.
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the
of
knowledge
it is also
and
may
realize
that
they
of
of
must
be
heat.
may
study.
be
treated
as
42
in circuit
with
the
is
each
foot
waste
of
of
the
all
"
of
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conservation
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Mechanics,
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introduction
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conductor
of
energies, gives
battery
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time
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How
save
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relations
solution.
ELECTRICITY.
OF
MECHANICS
taste
indicates
alleged
this
of
a
taste
quality,
industry,
greatly help
you
in
the
for
which
mathematics,
that
is
not
in
lazy
too
it takes
whether
theory
studying
reality
of
mechanics.
the
to
pression
ex-
sor
posses-
study.
If
form
of
the
dimensions
By
will
the
use
INDUCTIVE
PHYSICS.
of
the
of
physical quantities
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all
wonderfully
units
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will
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perhaps
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mechanics
We
have
the
remark
that
the
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subject
view
of
will
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subject
benefit
How
the
by
shall
student
be
studied
This
good
good
very
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is the
rising generation
acquaintance
world.
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treatment
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:
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The
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trouble
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system.
method.
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abstraction.
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inductive
present,
following
is that
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branch.
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if there
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specific
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teacher,
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reason
Most
whole.
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physics
by
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as
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"Physics,"may
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science.
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theory
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physics give
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treated
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physics
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in these
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term
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In
now
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physics
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restriction
books
This
less
used
thereby
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treatment
dimensions
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relationship
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and
more
dimensions
the
trace
mathematical
physics,
even
science
the
the
of
theory
can
you
each
to
find
all
ingenious
43
sufficient
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or
physics
studying
conduction
crete
con-
is
apt
heat
of
44
PHYSICS
heat
does
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makes
the
such,
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be
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realms
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books
the
thing
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physics, they
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But
every-day
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the
pupils perform
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But
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making
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many
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and
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science.
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themselves,
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physics inductively
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letting
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might
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laws,
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be
Yet
here
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loops
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performed
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table
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over
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held
down
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shadow
photometry
electrical
making
work.
a
body
must
Do
a
and
the
shows
advantage
get
from
not
try
formula
work
few
A
of
it out
to
to
will
serve
simplest possible
putting
of
these.
worked
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with
up
direct
will
In
of
on
light,
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consid-
applicability to
well
be
to
bulk
carry
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in
spent
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liv-
your
physics
you
books.
cut
is
of
square
blacksmith
hours
But
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expansion
of
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looking-glass
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experiments
physics.
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being
as
the
first
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skeleton
of
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gases.
across
thumb
show
to
serve
and
solids, liquids
the
be
may
Vibrating
hand.
heat
In
plate.
in
experiments
small
the
as
the
take
stretched
a
spool by
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will
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tried
will
bridges.
as
is
before,
vibration
wire
a
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be
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forth
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with
observed
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sound
of wood
blocks
back
and
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harmonic
nicely
be
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nodes
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experiments
In
apparatus.
practical
we
physics,
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electric
to
periments
ex-
many
construction
in
too
man,
few
Some
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being
one-sided
A
recreation.
guise
flames
is that
of
error
and
read
by study
physics
discouraging
practically applied
imperfect.
you
rather
physics
more
into.
fallen
learn
can
45
PHYSICS.
alone.
reading
may
You
mind.
never
One
IN
mathematics
out
given, remorselessly
the
last
point.
Keep
of
hunt
it.
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Wher-
it
dimensions
down
in
MATHEMATICS
40
and
mind,
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at
rate
home.
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units
can
you
deduced.
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relations
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will
to
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units
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electrical
these
may
lution.
evo-
you
watt
clear;
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relation
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electricity,
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dimensions,
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through
go
reach
you
and
energy,
PHYSICS.
again
over
when
Then,
feel
OF
stick
meaning
are
duction
de-
exact
to
give
which
47
CHAPTER
IV.
Chemistry.
difficulties
of
and
the
fire
experimenting
plant
its
"
the
the
short
a
teacher.
are
in
inquiry
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chem-
experiments
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electrician
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Chemistry
series
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department
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value
treating
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read
Every
This
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experiments.
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physics.
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chemistry
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chemical
it
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chemicals
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tween
be-
acids
on
of
nothing
without
question
what
reaction
knowing
experiment
to
be
school
at
on
actions
experimenter,
doubtful
But
supervision,
when
chemical
be
can
in
amnities
highest
in
satisfied
he
will
blow
plant,
exhibition
of
what
carbon,
intense
one
of
oxygen,
of
the
carbon
the
doing
Are
hard
spoken
of ?
The
another
will
not
One
of
constantly
house.
every
it
coal
and
In
unite
and
by
doing
un-
violent
chemical
study
the
periments
ex-
?
coal-fire,which
is
has
oxygen.
spite
of
therewith
is
principally
carbon
element,
is oxygen.
wise
other-
without
of
purposes
elements,
seen
reverse
these
not
in the
air
in
silently and
the
be
at
done
be
to
force, given
place
affinityfor
one-fifth
is
for
takes
has
being
seen
chemical
its powers.
reaction
first
reaction
rays,
available
For
is
chemistry
combination
the
it
everywhere.
intense
with
actinic
sun's
all
by experiment
operations
seen
violent
a
if
expediency
can
They
?
for
be
substances
makes
least
the
with,
there-
up.
This
the
often
of
chemistry, begins
The
of
experimental
present,
merely
linked
closely
theory
may
gas
If
metals.
himself
the
any
can
where
two
it is
is
EVERYWHERE.
abstract.
work
point
a
mind
the
Chemical
to
science
unfortunately
unreal
very
his
as
vSEEN
"
its
an
About
affinity
below
a
50
SAFE
and
type,
the
EXPERIMENTS.
coal-fire
common
reaction
engineer
of
course
the
proportions
least
it.
for
One
fond
asked
in
as
work
species
of
lation
calcu-
the
books
text-
be
this.
A
will
find
up
lying
under-
mastered.
with
the
trouble
no
take
the
as
the
well
in
much
the
arithmetic
chess-player
a
in
person
will
stoichiometry,
termed,
should
least
should
mathematics
in
is
chemistry
above
spective
pro-
thorough
a
given
at
or
mathematics
of
interest
same
is
learned,
be
is not
aptitude
This
express.
outlined
much
and
ical
chem-
The
himself
give
arithmetic
should
theory
Too
they
the
us
equation.
equations,
chemical
and
the
should
chemical
or
in
expressed
gives
in
does
of
chess
problems.
It
will
be
the
safety by avoiding
acids,
strong
as
explosion.
in
state
the
chemist
a
liquid
himself
in
or
In
out.
tube,
is thus
he
all
manipulation
operator.
a
The
he
always
to
takes.
through
fear
to
contents
it he
up
ticed
prac-
heating
opening
may
the
at
spurt
same
thoroughly
explosive
chemistry.
the
a
specific gravities
them
against
follows
of
adequately
in
its
such
causes
which
Even
the
different
distinguish
electrical
to
points
shakes
guard
certain
hard
very
never
chemical
of
chemicals,
precautions
for
liquids
heating,
It
others
adding
in the
various
test-tube
at
If two
be
in
experiments
certain
by avoiding
instinctively
a
rule.
and
few
a
of
use
it would
But
words
perform
to
easy
Little
good
engineer
from
cannot
are
fore
be-
ebullition.
details
the
well
of
bad
afford
time
he
learn
to
try
course
the
has
time
much
as
possible.
as
him
let
But
If
is
in
let
him
formula
symbol
stands
its
of
weight
this
tweeen
in
it,and
and
has
The
water,
the
see
has
formed
batteries
many
studying
chemistry,
chemical
salt,
chloride),if
with
go
the
such
in
its formula
it in
the
will
mind,
what
of
relative
be-
of
Cu-
some
polished
iron
realize
that
and
the
;
find
oxide, CuO,
copper's place,
give
a
ammoniac
give
of
handling
mere
a
(ammonium
made
are
the
chemistry
to
for
field
good
constitution
and
a
sulphates.
will
sal
as
piece
into
the
and
and
Dissolve
iron
use
but
Distinguish
copper,
stepped
of
one
for
couple.
of
be
not
nothing
cupric
a
must
5H20,
element.
immerse
icals.
chem-
own
cupric sulphate
as
and
and
deposit
iron
of the
some
for,
compound
in
S04, 5H20
it
is
CuS04,
respective
Lalande-Chaperon
the
him
to
know
its
learn
each
what
what
him
Let
blue-stone."
he
gravity cells,
using
throw
his
of
formulae
the
study
he
to
content
"
of
will
facilities,he
and
51
If
minutiae.
these
all
learn
to
CHEMICALS.
OF
FORMULAS
to
sired
de-
reality.
Next
laws
of
While
out
relations
the
nothing
of
changes,
perhaps
is
voltage
such
is
accessory
of
of
more
the
principles
which
thermo-chemistry,
comes
chemical
branch
than
corresponding
of
rather
the
thermo-chemistry,
simply
change
interesting
generally
is
an
study.
which
to
the
to
energy.
working
chemical
ornamental
The
may
the
or
general
be
stated
FORMULA.
CHEMICAL
52
in
few
very
should
words,
of
the
take
thermo-chemistry
of
aspect
The
energy.
ideas
this
on
for
his
heat
the
by
a
that
the
none
using
of
up
in
twist
the
the
should
less
watts
therein.
It
be
of
part
a
work
as
and
nothing
number
used
much
of
a
as
of
of
Holding
It
of
are
a
of
paper
its
be
taken
not
go
very
is the
most
find
of
chemistry
is
depressing
But
is outlined
as
one's
to
electrician
with
batteries, working
based
no
electrician.
presumable
a
tical
prac-
formulae
the
voltametric
on
work,
chemistry.
chemistry
of
species
experiments
literature
strip
of
storage
units
A
such
Chemical
think
to
be
and
may
need
engineer
studied.
be
can
lighter.
the
chemistry
to
case.
is,however,
a
to
it should
with
science,
whose
the
the
developed
voltage
every-day
yet knowing
which
distributing
produced
the
primary
There
in
entirely
by coal,
in relation
nature
currents
energy,
produced
this
above
moral
of
relates
that
into
part in the
in
fixed
very
knowledge.
implying
view
conservation
almost
and
to
Thermo-chemistry
is said
deeply
the
conservation
another
acquaintance
of
stock
preferable
have
concerned
To
shaped.
and
battery,
What
as
into
one
units
is clear
his
is
of
should
the
known.
seem
part
a
of
subject
has
he
energy
as
engineer
profession
converting
it would
unity,
give
be
certainly
the
end
an
apparatus,
instructive
in
it
science.
into
large
without
can
Thus
allumette
pinched
tion.
recrea-
be
traced
roll
or
between
or
gasthe
WITHOUT
CHEMISTRY
and
finger
lower
light the
towards
up
way
of
nearly
the
the
light the
the
match
a
escaping
therefrom
and
gaseous
just
as
duced
pro-
end.
lower
can
you
matter
light
can
you
is
end, and
other
is
tion
combus-
as
the
left
flame
which
from
lower
the
to
well
smoke
issues
distillation
is
The
as
its
works
cinder
allumette.
white
A
flame
black
a
wards,
down-
pointing
the
distillation
paper.
apply
As
hand,
of
shape
the
by
Now
the
it
holding
end.
destructive
producing
of
and
thumb,
53
APPARATUS.
ing
escapat
gas
a
gas-
burner.
This
heat
gives
organic
on
could
be
chemistry
Again
or
without
apparatus.
baking
it
on
pour
and
a
match
well,
water,
match
and
wire, get
into
the
the
test
the
would
water.
its presence
tumbler,
in
vesces,
efferAttach
guishes
extin-
gas
as
Try
you
tumbler
the
and
burning
match
The
a
It
off.
bottle.
as
into
gas
given
is
to
pour
by
the
experiment.
This
in
Write
the
it
of
is
is
which
bottle
pickle
a
gas
effectually
as
of
some
pour
bit
a
This
(acetic acid).
dioxide
lower
it
into
of
Nothing
bicarbonate,
vinegar
carbon
and
more
soda,
some
to
combustion.
sodium
some
action
demonstrative.
simpler
put
common
of
and
matter
of the
illustration
excellent
an
again
the
out
formulae
is
chemistry
laboratory
the
of
could
reaction
acetic
acid
without
be
for
and
more
this
apparatus.
ing
Noth-
conclusive.
experiment.
of sodium
Find
bicarbonate,
REACTIONS.
and
them
put
When
they
water
and
in
these
both
the
equality sign.
for
destructive
written
be
is
of acids
colors
acid
You
will, if
infalliblyprocure
deeply
into
teacher
and
science
The
ground
to
time
be
taken
which
should
be
covered.
should
be
to
student
of
the
science.
atomic
There
weights
by heart,
"
and
mon
com-
in
with
readily
as
The
the
use
there
go
too
good
A
few
actions
re-
idea
of
devoted.
of
abstract
an
few
their
an
be
a
a
disposal.
give
study,
to
have
can
will
grasp
is little
of
only
you
suggested,
may
the
for
may
years
acid,
this
up
if it is
your
understood,
which
paper
satisfaction
work
you
at
or
vinegar.
to
unless
litmus
worth
more
advisable
above
as
and
following
of
the
of
made
studied
a
will
it is not
plenty
paper
reaction
for the
cents'
give
will
chemistry
experiments
with
little apparatus,
a
But
test-tubes.
tried
few
undertake
you
appear
test-paper
on
vinegar
A
than
experiments
same
of
the
alkalies
Use
alkali.
hydrochloric
each
because
easily
infusion.
for the
if your
known.
and
be
can
Put
the
distillation
out,
imperfectly
if
of
number
same
acetate,
see
see
say,
of
cabbage
all these
to
sides
vegetable
ammonia
is
that
"
then
the
actions
red
and
member,
equation.
produced.
are
gas
the
sodium
other,
if
and
The
each
and
well
varies
or
second
of
member
dioxide
carbon
equation
cannot
first
upon
balances
symbols
The
the
react
the
equation
on
in
the
great
object
general
theory
for
is
him
every
to
know
reason
OUTLINES
for
him
understand
to
is
This, then,
Three
of
of
as
an
element
What
a
compound
what
is
is.
weight
:
solid, liquid, gaseous.
in
elements
the
"
55
atomic
an
schedule
a
matter,
What
CHEMISTRY.
OF
just
presented
states
is
substance
general.
combination
the
"
elements.
The
divisions
of
The
compound
The
law
of
Relation
of
;
the
b, the
in
includes
law
of
Atomicity
Chemical
bonds
or
dyads,
etc.
Electrolysis
heat
full
the
alents.
equiv-
gaseous
of
form
a
affinity
to
work
of
chemical
of
power
;
hence
potential
kinetic
decomposition
or
their
and
meaning
saturating
source
chemical
of
of
position
com-
formulae.
affinity
by satisfying
law
in
volumes
their
affinitya
chemical
of
constancy
; r, the
multiples
"
and
monads,
the
chemical
to
Law).
the
"
weights
a,
by
symbols
Relations
atomic
this
equations
;
of
combination
Chemical
cule.
mole-
and
atom
weights.
law
(Avogadro's
state
the
"
molecule.
"
of
Law
elements
atomic
combinations
use
STUDY
OF
ments
ele-
isfied
unsat-
energy
is produced.
energy
affinity.
of
chemical
pounds
com-
by electricity.
This
much
as
the
student
possible
with
should
a
good
work
up
text-book.
;
oughly
thor-
as
A
pad
56
and
pencil
should
step
where
every
been
covered
it all
the
be
should
be
^
is
The
practical
instructor
teachers
In
have
will
to
termed
dry
work
a
new
following
change,
and
mind,
the
and
of
given
be
good
science
will
it
for
Some
of
that
of
giving
But
work
we
and
it
impossible
with
case
it will
as
faith,
on
two
a
crystallize
of
an
these.
perhaps
will
done
much
chemistry,
the
to
arrangement
taken
and
a
high schools,
our
of
if
be
as
will
given
can
capable
thought.
study
be
can
In
be
often
symmetry
or
weeks
well
some
abstract,
of
few
found
must
is
It
desirable
philosophy
order
the
make
to
extended.
as
most
with
This
remember.
is
to
made
and
to
philosophy
that
employed.
it, much
seem
a
instruction.
the
studying
involving
the
be
probably
can
be
chemical
excellent
being
weeks
safety,
it
always
are
if
possible
personal
should
ones.
schedule
be
few
a
is
efficiency,
greater
idea
the
may
for
It
for
good
reference
general
advantage
week
ments
ele-
the
cover.
studied
work.
but
alone,
the
over
Oxygen,
be
constant
the
has
go
of
one.
would
above,
to
inestimable
a
by
one
with
to
four
or
at
ground
it is best
philosophy
designed
hours
few
zinc
studied
elements
of
be
and
This
chemistry.
above
up,
illustrate
element
this
three
taken
outlined
schedule
each
possible,
used
symbols
When
cursorily, and
carbon
hydrogen,
side, and
his
at
possible.
as
should
These
be
even
well
as
CHEMISTRY.
OF
PHILOSOPHY
things
weeks'
wonderful
into
shape
clearly appear.
in
QUANTITATIVE
58
student
of
at
perceives
once
bath,
related
Daniell
of
parts
and
and
ingly
unvary-
a
concluding
our
quantitative
little
friend
or
for
and
and
the
work,
with
even
is
advice
in
the
of
a
with
the
a
of
creator
of
all
chemical
little
tion
instruc-
modern
its
do
to
a
a
light.
new
student
for
arbiter
present
the
arrange
pharmacist
a
use
to
for
in
sulphate
copper
"
So
silver
electroplating
the
understood
are
weights
the
definitely
zinc
such
all
cell,
relative
meter,
of
of
consumption
the
of
chemical
operations
the
voltameter,
idea
the
Edison
The
atoms.
CHEMISTRY.
istry
chem-
operations
"
the
balance.
down
and
to
other
important
chemistry.
For
one-twentieth
in
giving
of
a
balance-makers
contributions
balances
us
milligram,
have
to
which
the
made
the
weigh
Beckers
great
development
and
of
59
CHAPTER
V.
Electricity
electrical
experiments
at
taught
used
apparatus
at
current
pere's
electrical
line
it
should
with
during
said,
that
electrical
be
This
is
with
be
home,
or
electrical
by
but
the
no
it
or
station
student's
period
in
simplest
of
measurements.
will
is
to
this
also
will
time
familiarize
take
the
to
be
at
an
generally
himself
much
Fortunately
it, should
in
afterwards.
than
appliances.
any
work
not
engagement
any
disposal
which
imagine
to
who
his
construction.
the
is hard
the
that
necessary
means
There
into
in
take
home
at
science
entering
the
much
work
moments.
works
with
done
for
before
electrical
am-
condensers
is
done,
spare
the
tricity
elec-
static
batteries
"
It
?
taste
at
more
coils
resistance
should
be
a
wheatstone
the
magnetism.
law
direction
one
home
electrometers
What
much
electrical
making
strength
"
ances
appli-
simple
galvanometer
"
ics
phys-
modern
home
quantitatively
now
bridge
Home,
At
The
work
direction
can
at
of
60
SIMPLE
has
Electricity
specific enough,
be
before
in
everything
It
is
it
refers
determination
or
The
of
work
we
From
the
modern
in
are
As
C.
V.
In
these
Boys
the
brazen
too
units.
other
all operations.
taken.
the
to
as
The
simplest
and
pliances.
ap-
factors
of
balances.
:
apt
of
instead
which
image
modern
ordinary spring
it
all
are
fathers, and,
worship
and
we
the
be
materials
with
expresses
days
our
of
in
hint
with
of
antiquated.
another
may
it is all done
nearly
system
underlies
teaching
strength
may
measuring
or
and
amperes,
is
be
to
"
become
"
schedule
determined
stress
ways
electricity,
has
measurement
of
prescribed
of
to
Harvard
The
"
to
methods
work
laws
tically
iden-
work
old
of
be
course
weighing
The
not
physics
measurements
to
by volts,
appeal
constant
of
of
college
strain.
applies
same
science
A
full
demonstration
simple
the
of
of
but
may
science
schedule
to
science
correct,
general
the
Harvard
admission
consulted.
in
how
see
the
as
is
physics
To
the
taught,
denned
definition
for
defined.
done
been
This
measurement.
now
APPARATUS.
depart from
following them,
the
to
the
simple
fall
to
instrument-maker
down
hath
up."
set
Our
student
in
an
may
have
electrical
shorter
bridges,
tangent
galvanometers,
elegance
here
of
is where
the
construction.
he
would
dealers'
boxes
"
the
seen
store.
of
all
If
spend
vie
he
it.
beautiful
The
meter
resistance
with
had
But
he
or
coils,the
each
but
ratus
appa-
in
other
the
can
money,
do
bet-
HOME-MADE
than
ter
that
which
let him
"
it
make
can
ELECTRICAL
and
theory
and
to
electrical
of
instruction
start
order
and
him
Let
may
be
the
four
sizes,
and
law.
be
with
for
and
Next
on
a
of
lead
cast
of
wire
will
of two
will
These
he
his
Connecting
how
is contained
in the
resistance
The
it
is
he
above
is
times
the
in
can
give
for
this.
be
must
relative
a
few
resistance
wire
unknown
the
nections.
con-
which
required,
to
bridge
their
the
the
out
facilities
resting
or
vanomet
gal-
A
within
ances
resistknown.
lengths.
minutes
of
a
the
conductor
termine
decarbon
whose
measuring.
description suggests
popularly
perhaps,
the
he
follow
proportionate
from
battery,
many
ends
The
of
ferent
of dif-
electric-light carbon
compass
suffice.
deduce
can
lay
answer
A
elements
may
An
the
on
is needed.
coil
not
the
theory.
pipes
would
is
of
is the
four
resistance
connections
good
be
he
arbitrarily.
first
balance''
diamond
simple
to
board
bottom,
possible apparatus.
how
water
standard
taken
caps
if
see
the
His
spring
familiar
see
the
at
things.
crudest
the
practical
Again
begin
"
view,
electrical
acquire
to
the
resistances
One
can
of
He
in
end
about
simplest
the
out
bridge
Imagine
same
with
study
Wheatstone
is to
the
made
the
construction.
with
measurements
for
incidentally
61
apparatus.
own
something
in
experience
his
enough
learn
to
measurements
true
make
accurately
is
end
APPARATUS.
called,
best
to
and
start
this,
with.
a
as
meter-bridge,
the
as
simplest, is,
HOME-MADE
62
The
his
thing
first
unknown.
his
be
borrow
a
one
for
When
he
makes
He
has
the
this
So
gets
he
meter
the
on
up
than
of
increasing
as
to
make
His
ways
reads
be
of
can
nometer
galvaance
resist-
a
range,
up
the
wound
the
for
expedient
and
of
can
ing
work-
accurate
coil,
resistance
one
so
learns
coil
resistance
coils, notes
non-inductively,
the
coils
new
increases
set
of
galvanometer,
making
securing insulation, and
end-contacts.
now
studies
He
the
sensitive
with
subject
he
coils.
more
his
what
portion,
one
with
bridge.
proportional wire,
conditions
facilities
and
the
a
board
him.
to
accuracy,
his
needs
bridge,
and
is
bridge
half-meter
sensitive
The
He
the
of
his
hard-wood
a
or
for
which
resistance,
greater
must
most
cover.
the
him
He
make
that
words
mere
work
accurate
gives
will
the
his
using
can
subject,
length
its
limited.
very
He
the
at
of
adequately
is
come
coil.
and
coil,
a
tion
tempta-
a
may
resistance
finds
accurate
more
range
of
want
will be
Next
far, he
proportions required
the
very
of his carbon
Here
bridge,
affair.
an
work
A
galvanometer
one.
ohm
two
gets
read
is
is that
himself.
poor-looking
and
good
Wheatstone
and
coil
resistance
true
standard
a
or
feel the
extemporized
a
of
construction
the
will
He
first trouble.
construct
will find
student
entirely unsatisfactory.
his
But
to
reads
for
also,
probably
the
is essential.
one
standard
which
is
galvanometer
delicate
INSTRUMENTS.
in
best
extent.
that
the
studies
way
of
of
they
best
viding
pro-
BATTERY
will
He
which
doing
If
obtain
of
wish
now
works
using
he
Daniell
a
of
some
the
other
voltameter
would
be
Edison
electric
of
kind
is
is wound
potential directly,
he
or
;
also
used.
A
make
be
hand,
at
in
can
the
use
books,
for
it
eters.
voltam-
by
such
voltameter,
the
as
electrolytic work
could
student
would
which
silver
or
ment
practical experi-
very
This
meter.
done
copper
a
zinc
a
balance
a
to
method.
utility,and
great
some
to
wish
determination
described
may
T^e
may
the
standard
methods
balance
a
will
galvanometer
for
couple
measurement
If
of
involves
determine
can
eter.
galvanom-
he
battery,
a
for
strength,
tangent
a
tangent
Poggendorff's
as
Current
the
his
If
finely enough,
build
This
63
current
measure
with
its factors.
potential.
such
to
will
he
he
FACTORS.
give
is
make
imate
approx-
results.
A
good
should
galvanometer
be
devoted
low
This
may
and
resistance
in
battery
a
carry
may
mirror,
convex
so
reflecting principle.
will
be
be
used.
voltages, having
Wheatstone
will
at
Now
hand
bridge
be
for
needed,
the
work
most
which
the
the
by
Next
the
give
may
tice
prac-
standard
a
Daniell
student
best
filament,
a
to
as
high
the
be
suspended
all
perhaps,
with
would
the
may
of, and
circuits
its needle
have
it, and,
work
some
instrument
tangent
a
necessity,
a
making
to
things considered,
and
being
nation
combi-
determine
essentials.
has
already
important
in
been
every
spoken
way
of
64
vSTATIC
the
operations
into
brought
of
"
is
These
is
are
bits
over
idea
concrete
goes.
This
means
longer
be
him
to
nominum
and
actual
; se
of
influence
as
that
in
the
he
student
One
or
will
his
as
a
will
only
will
have
knowledge
ohm
an
names
but
"
in those
even
soon
far
and
all
generator.
volt
a
shadows
the
convenient
no
magno-
"
something
mean
division
would
it
as
can
to
electricity,and
at
the
conveniently
influence
machine
studying
the
student
its action
and
be
done
machine.
borrowed,
be
can
will
of
the
electricity
not
electric
an
of
be
suggestion
constructed,
of
electricity
service
that
mechanical
and
sister, static
far
Discarded
doing
probable
can
batteries.
own
now.
are
electricity,dynamic
the
as
points
real.
static
older
is
or
umbrce,
Accepting
into
ing
work-
construction.
his
made
another,
to
of
in
student
our
batteries, and
It
dynamo
lead
how
and
carbon
amateur
stores.
will
thing
are
Ayrton's
as
practical
construct
to
easy
land
a
of
have
to
the
make
we
ment
measure-
useful
the
measurement
electric-light
the
book
found
gives
hint
mere
apt
in
used
a
be
it
accuracy.
a
very
will
it
of
in
rum
"
in
most
Such
as
electrical
boy
Every
sold
to
above
practice
will
bridge,
a
because
the
electrician.
conduce
The
with
Electricity
with
which
described,
far
so
contact
the
Practical
ELECTRICITY.
perceive
performing
science
and
netism,
mag-
neglect
least
to
without
But
the
go
the
if
an
procured
the
or
utility
experiments
66
MAGNETISM.
construction
The
here,
up
made,
ever
capacities
charges,
condensers
if
ultimately,
and,
is
of
might
good
a
dielectric
taken
enough
determination
the
and
be
nometer
galvastatic
of
could
constants
be
studied.
The
the
laws
of
of
parts
is
smallest,
could
to
or
full
the
laws
The
circuit,
between
analogy
and
formulated,
and
illustrate
by
it
student
fail
resistance
the
to
the
to
of
an
number
of
the
of
of
lines
In
magnetic
mapped
in
force
Nor
having
of
a
fails
and
dynamo
circuit
is
the
the
the
"
varies
given
with
tional
cross-secan
able
invari-
tion
construc-
motor
very
to
reference
no
iron
out
must
hand, holding
other
well
be
analogy
permeability
between
must
filings.
circuit
electric
ance,
resist-
and
be
the
where
note
cates
indi-
magnetic
a
resistance,
must
largely
through
magnet
reluctance
iron
of
permeability.
the
ture
expendi-
This
law.
conception
force
use
the
;
from
experiments,
prosecuted
the
and
of
lines
air, on
area
ture
curva-
charge
little
specific resistance,
while
current,
be
of
permeance
permeability
with
Ampere's
electro-magnetism.
between
of
a
pretty
out
must
with
reaching
the
of
carried
work
the
accordance
the
of
escape
number
be
radius
the
at
labor.
magnetism
In
the
a
easily
time
of
in
rise
where
and
concentration
their
charges,
conductors
points give
which
static
soul
of
the
matter.
The
relations
between
a
magnet
and
a
current
MAGNET
should
be
of
any
the
should
be
by
with
tell
the
a
well
better
theoretically
worked
memoria
at
and
than
from
have
if
books.
a
he
new
had
the
books
and
test
familiar
the
will
story
After
that
so
in
given
service.
experiment
current
experimentally,
out
technica
instant
67
CURRENT.
AND
cation
verifi-
man
swimming
interest
and
only
been
studied
will
68
CHAPTER
VI.
Mechanical
GROUND
COVERED
ITS
ELECTRIC
IN
TOOLS
MECHANICS
PRACTICAL
FOR
THE
it may
that
that
An
a
comprehensive
very
and
ground
regarded
be
it forms
therefore,
far
by
as
much
so
the
work
frame-
William
Sir
the
great
part
accomplished
of
electrical
or
study.
work
The
of
undertakes
one
engineering,
a
ING
READ-
son
Thom-
greater
of
part
engineering.
When,
of
AND
education.
electrical
holds
electrical
is
much
so
covers
an
IN
WORK
OBSERVATION
engineering
information
WORK
PRACTICE.
FAULTY
It
HANDS
THE
MACHINE-SHOP
STUDENT
Mechanical
OF
COLLEGE
"
OF
STRENGTH
USE
PRACTICE
IN
EXTREMES
of
TESTING
MACHINERY
"
MACHINES
PRACTICE
ENGINE
"
MATERIALS
term.
ENGINEERING
MECHANICAL
BY
PLACE
AND
Engineering.
it
such
student
to
amounts
a
mechanical
with
to
book
as
a
little
of
electrical
of
chanical
me-
recapitulation
the
engineer
very
speak
present
can
take
one.
hold
special preparation
engineering
may
OF
MECHANICS
his
reach
The
of
of
building
running
play,
in
of
details
dynamo
belt
by
of
in electric
of
use
in
of
and
dynamo
is
half"
''better
find
we
examples
light
far
was
is
different.
the
direct
compound
a
of
certainly
and
excellently
in
while
them,
engines
finest
power
a
ical
mechan-
electric
it
time
one
of
some
engine
whose
at
"
of
extensively
are
the
in
seen
transmission
rope
illustrated
coupled
now,
of
Some
are
of
matter
they
and
driving
high-speed
and
in
end-
proper
The
a
ture
arma-
foundation,
proper
is
branch,
plants.
stations
a
modern
practice
mechanical
The
on
of
motionless,
with
journals
The
in this
triumphs
power
its
when
as
its
of
balancing
otherwise
or
covers
considerations
construction.
engineering.
used
well
its establishment
in other
are
in the
as
of
construction
engineering
involves
dynamo
engineering
when
engineering
him.
to
a
69
mechanical
mechanical
value
great
mechanical
the
of
means
part, because
in great
topics
by
goal
DYNAMOS.
chine,
ma-
the
chanical
me-
order.
Mechanical
and
tools,
engineering
such
should
engineer
to
a
considerable
engine
of
qualified
but
not
The
use
modern
testing
of the
can
person
many
lathe
the
as
can
of
be
the
covers
and
able
construct
type.
Almost
make
some
execute
the
engines
and
indicator, the
correct
planer.
machines
A
tent
compe-
design, draw,
to
extent
of
use
a
any
kind
whole
good
and
steam-
mechanically
of
an
engine,
properly.
boilers, including
interpretation
of
the
indi-
MATERIALS
70
and
cator-cards,
the
lines
of
His
engineer.
of
work
in
without
be
The
mind
to
the
tical
prac-
such
his
civil
of
neering.
engi-
a
metal
the
are
materials
calculate
of
but
scope,
to
strength
cannot
as
materials
building
him
him
no
the
access
determination
deficiency
in
his
as
the
boiler
which
of
need
he
book
has
reader
to
be
must
this
a
to
studies
have
no
shop,
sooner
thus
his
a
machinery
than
more
worker.
is
in factories
machine-tools
must
or
it
nature.
practical
work
he
bent
any
very
do
must
comes
interest, for
of
of
engineer
He
with
not
object
an
general
reader
account
on
of
in
machinery
But
portion
If
a
mechanical
structures,
qualities
of
himself.
another
and
ing
lay-
specified
as
within
the
engineering
this
treated.
own
defined
of
He
the
to
entertain
In
for
the
appertaining
with
mechanical
as
boilers, the
of
is also
as
branch.
recommended
But
boiler-
made.
electrical
be
engine
of
capacity
larger
processes.
this
must
parts of
strength
knowledge
within
for
the
knowing
it is to
thickness
be
of
concerned
his
for
and
mechanics.
and
is
He
boiler
work
may
considered
usually
used
work
from,
there-
horse-power
of
of
the
roof-trusses,
work
such
of
calculation
or
of
steam-pipe
examples
are
bridges
of
proportioning
shells, the
The
calculation
calculations
efficiency, the
work,
MACHINERY.
determination
the
of
AND
later
incurred.
have
of
his
in
his
supply
He
the
must
AS
EDUCATION
study
up
work
it.
nothing,
than
to
would
It
get
One
In
members
in
branch
some
operations
should
be
good
to
is
of
enter
of
do
these
called
upon.
given
in
given
training
a
kind
one
in
the
employ
work.
machine-shop
can
a
edge
knowl-
use
when
little trouble
have
to
engineering
who
person
will
able
effect
branches
as
stead.
is the
student
every
or
intelligent
An
in excellent
mechanical
colleges,
best
our
has
capacity,
any
gained
to
in
courses
If he
be
to
so
fitted.
are
in
him
to
better
or
gas-fitter'sshop,
a
pipe
him,
for
well
will
learn
easily
can
is evident.
engineer
An
the
in
this
object
important
work
will stand
tools
hands.
be
establishment
manufacturing
Another
even
how
of
of
object
of
do
to
idea
some
he
he
If
practically.
thoroughly,
tool
a
tools
about
something
know
71
MECHANIC.
A
taking
of
such
new
a
up
tool.
he
Therefore
should
a
edge
pine
wood.
But
such
doing
and
him
in
in
there
if the
work
before
in
might
An
a
castings
know
must
how
be
a
cutting
time
the
in
be
should
the
down
it
were
running
him
to
for
standing
drearily reaming
in
ions.
pinfor
come
falls
a
capacity
oily workman,
iron
run
microscopic
out
drill-press and
to
if
as
success
should
may
paring
armor-plate
unwashed,
where
This
advantage,
not
electrician
an
mechanic.
a
best
be
to
he
thirty-inch
lathe
it.
perform
day
of
the
to
He
jewelers'
holes
be
that
mean
cases
giant planer
the
all
wishes
unquestionably
in all
not
who
dust
out
slowly
THE
from
the
work
ignorant
the
shoulders
yield
to
who
of
a
evolved
the
though
invisible
up
his
you
may
work
can
from
the
If you
and
bar.
wish
to
know
send
engineering,
the
and
course,
students
just
as
"
"
put
the
to
end
rather
recognize
in
improve
a
are,
shop,
you
from
feel
more
the
you
that
your
by
their
of
a
you
in
chanical
me-
lege
col-
a
is
of
the
it is all books.
in
is
the
ble
possi-
most
look
good
down
sense
circumstances,
hours
shop
intelligently
the
not
long
chanic,
me-
or
of
range
work
and
a
go
work
must
chine-shop,
ma-
engineer
that
them
So,
?
until
may
the
at
who
lathe
catalogue
and
luxury
force
and
dirty
a
mechanical
teaching
of
construction
man
a
their
time,
has
filament,
a
their
a
overalls
of
shortest
if you
with
suppose
Because
in the
and
not
who
engineer
surprised
on
do.
you
directed
be
must
you
The
it
will
You
given.
in
home
for
of
degree
he
calling yourself
far
how
not
required
months
superintend
and
does
manipulation
as
mechanical
a
pig
where
at
are
its
rock-crystal,
about
you
out
of
on
on
Boys,
and
or
not
suspension
a
spent
chary
not
But
apparatus
have
are
you
thread
own
though
"
as
handling
the
be
planer,
fibre
lazy
too
and
scientist
the
quartz
out
almost
makes
like
ters
cen-
will bear
which
mechanic.
a
lathe,
prickings,
lathe-center
the
the
to
goes
center-hole
a
himself
man
worked
the
drill
to
call
may
he
center-punch
on
too
MECHANIC.
when
hole, who,
his
point,
REAL
of labor
disciplining
effect
on
of
it,
ding
plodwill
than
74
MACHINE-SHOP
will
not
Try
a
called
be
of
"
learn
to
to
in
good
day,
there
that
you
your
of
be
not
to
at
well.
work
will
so
be
work
to
by
in
looking
few
a
one,
Be
the
hours'
the
haps,
per-
another.
at
practice
time
your
cellent
ex-
fact
single machine,
a
:
thought.
have
of
another,
run
in
ably
prob-
is clear
brain
disadvantage
chance
a
run
can
and
you
work
to
even
lesson
machine-shop
If
time
same
the
and
great
a
will have
you
but
"
hands
student.
will
if you
enable
use
the
at
manipulation
the
with
But
may
quantity
for
both
be,
you
OBSERVATION.
AND
for
on
course
mechanic
A
WORK
will
will
well
be
spent.
all
Observe
Note
little
the
Visit
paper
everything
this
all
work
a
object
is
but
;
take
on
sketches
while
read.
In
mechanical
is
there
with
the
of
the
books
make
to
the
amplify
can
you
tives.
locomo-
sketches
mental
few
consistent
across.
of
take
"
all the
find
The
as
kinds
better,
will
come
you
construction
And
you
list
a
of
see.
recommended.
short
of
is far
you
place
proper
details
shops
or, what
"
which
machinery
as
of
purpose
list
to
any
extent.
Since
one
the
theme
over
and
learn
thorough
much
are
to
work
"
on
If
a
out
of
the
come
the
for
it.
are
six
Learn
different
in
the
of
expense
a
ning
begingoing
not
machine-shop
weeks,
how
recall
up,
from
preached
you
lathe
has
book
at
even
mysteries
work
this
it has
ground.
all the
changed
which
on
be
"
of
purpose
in
that
the
combinations
time
pitch
is
of
OF
EXAMPLES
gear-wheels
of
feed-screw
is
planing
study
"
find
that
you
to
electrical
line-work
and
the
work
the
proper,
and
is
converter
general
It is unartistic
in
instinct
of
the
rest
forgotten
make
you
up
your
would
attend
of
and
and
door
out-
rusty
"
is
iron
to
as
such
?
haps
Per-
the
the
verter
con-
line
the
to
house.
board, rusty
than
worse
in
this.
it offends
as
weather-worn
The
adding
being
their
Can
as
stains
unknown
an
mechanical
details
on
in
the
sense,
a
as
is unartistic
it is
lighting
current
hideousness
from
unmechanical.
that
them
that
on
wires
nails
iors
inter-
the
fronts.
unpainted
but
of
where.
every-
eye
into
mechanic.
a
mind
alternating
reproach
help
first
converter
of
galvanized
luxury
fastened
technical
the
with
"
will
placing
is
it is true;
sense,
arrangements
will
recognized
building
weathered
and
case
of
carried
the
arrangement
be
on
are
from
the
from
to
window,
Wires
and
whole
it
examples
meet
come
board
the
placed.
converter
long
in-door
converters
elsewhere
of
neighborhood
to
of
unpainted
an
in
well
numerous
is established
custom
window-sills
light
You
very
and
which
buildings having
of
every
see
exclusion
The
it for
others.
mechanical
clumsy
run
working
thing
lathe
the
its centers.
one
the
were
how
note
"
of
between
go
understand
wiring,
the
to
75
happen
could
you
method
a
understanding
Examine
The
out
would
pitch
if
see
"
long
pieces, too
the
different
a
together
put
what
calculate
"
PRACTICE.
BAD
you
not
engineer
these,
from
or
and
deem
re-
its present
76
TO
INDIFFERENCE
This
strongly
too
seem
may
this
time, when
the
hands
of
electrical
for
then
the
better
The
inaugurated.
recruits
the
to
In-doors
look
we
who
to
wires.
They
attempt
being
no
this
is
might
within
be
devise
to
moulding
has
become
room
for
the
or
rust
the
this
in
nature
and
of
tions.
condi-
details.
to
everywhere,
run
follow
the
the
ing,
mould-
a
If
curves.
battens,
it
as
is, it
mechanical
of
way
details
its
that
gineer
en-
crossing
a
to
come
engineer.
above.
of
wires,
under
or
the
"
the
a
cover
is
otherwise
neat
thing
every-
The
weather,
the
wood-work,
jointing
There
out.
practice
suggested
exposed
of
service
improvement.
iron, galvanized
where
electric
carrying
engineering
nature
varnishing
perfect
be
furnish
these
across
neater
so,
will
may
right
of
resources
ugly
progress
non-corrosive
from
to
are
ordinary
of
so
of
run
made
neglect
details
The
ugly,
some
seem
hoped,
book
at
cornice.
or
is in
It
the
not
indifference
are
with
endured
better
to
same
and
impossible
be
this
are
the
unvarnished
is to
from
years
was
it will
of
readers
find
what
on
it
era,
Battens,
carry
back
Ten
put.
workmen,
army
we
DETAILS.
and
multitude
cognizance
of
use
protected
the
painting
electrically
of
of
things
the
of
chanical
me-
7?
CHAPTER
VII.
Drawing.
drawing
reliance
poor
a
to
practice
or
the
in
chemistry
paper
blue
prints
of
lines
pen
care
perspective
of
instruments
representations
Business
is
book-keeper
lives
and
else,
so
dies
It
is well
work
the
knowledge
If
traces.
other
understand
to
with
T
is
you
things
well
and
only
all,
your
do
an
draw
also;
best
plan
mechanical
to
be
in
drawing.
able
good
drawing-board,
but
such
equipment,
a
you
if you
will
be
can
to
not
sion.
profes-
leave
never
sure
a
what
Some-
do
to
well,
for
the
he
anything
never
book-keeping.
it,and
square
be
must
drawing
If
learn
to
thing applies
same
be
to
seem
that
man
a
is
and
really good
a
useful
so
book-keeper,
not
that
theory
be
to
ventional
con-
catalogues.
a
it would
sense
the
apt
a
that
certain
have
men
cil
pen-
profile
geometry
"
ics
phys-
or
sketches
dimension
descriptive
portance
im-
free-hand
note-books
shade
practice
its
engineer
sketches
"
itself
by
you
draw
can
and
the
do
can
IMPORTANCE
78
do
nothing
the
else,
almost
might
you
lest
fact,
DRAWING.
OF
become
you
advised
be
to
ceal
con-
for
draughtsman
a
life.
speaking,
Seriously
free-hand
necessarily
not
produce
to
which
sketch
will be
machinist
or
be
may
studied
confused
that
of
you
may
ideas
that
able
being
If
an
wish
for
is
instrument
service
The
very
concerning
Excellent
practice
a
sketch
free-hand
on
mechanical
drawing.
one
might
might
often
of
convenience
is very
for
great.
it will
to
to
you
be
be
of
able
to
absolutely
is
almost
will
apparatus
new
its construction.
in drawing
of
sketch,
operations
such
for
the
a
ing
mak-
possible, too,
obliged
of
their
sketches
originator
drawing
give ideas
is
the
design
to
matter
of
instead
pen,
designed,
be
to
another
upon
slavery.
for
simple
by drawing
self
be
the
for
himself,
and
one's
to
vantage.
great ad-
memorandum
you,
motor
or
to
a
It
make
to
this
do
to
it for
depend
sketches.
to
occur
pre-eminent
draw
right-line
pencil
of
a
draughtsman
a
drawing-board
out
able
wanted,
dynamo
facilitated
much
and
rule
with
diagram
for
;
chanical
me-
be
to
anything
new
working
the
is often
circuits
A
the
on
up
Even
of
from.
certainly
but
enough
good
work
to
of
learned
be
comfort
great
a
sketch
correct
a
work,
It is
drawing.
should
drawing
machine,
a
in
and
It
quite
prove
desire
in
making
is
very
a
in
consists
making
sions
dimen-
quoting
this
from
a
conceivable
in
useful
drawing
of
full
that
real
some
life,
par-
PRACTICAL
ticular
could
which
thing,
79
REMARKS.
obtained
be
only
this
in
way.
know
You
mechanical
Did
it
to
trust
with
T
square,
only
;
learn
and
T
well
do
note-book
machine
or
may
only
take
it
scale
a
take
a
as
hand
free-
drawing
If
apparatus.
even
you
sketch
to
for
gles
trian-
two
you
position
a
as
affair ;
temporary
permanency.
in
on
of apparatus
as
this
as
a
A
given
be
may
you
it.
draw
to
is
drawing
of service
be
kept
sketches
by making
experimenting
method
of
chemical
physical
or
and
principle,
clarifying
actually used,
embodying
be
may
made
attractive.
little
Making
involves,
style
lines
which
free-hand
perhaps,
is the
Neatness
lines
other
apparatus
thoughts
shade
basis
work
board
your
with
work
in
ness
square-
your
of
all ; learn
at
practice
It will
with.
very
a
of any
sketches
the
it
nice
Very
minor
get the
but
for
edge
one
not
enough
all of
or
to
enough,
make
not
most
along
square
or
draughtsman,
do
your
enough
dynamo
draw
do
to
far
Go
draw.
could
who
one
a
electrical
an
drawing-board
you
working
no
well
a
that
far
of
be
to
got
be
to
are
to
unproved
no
so
; go
of
learn
have
you
hear
ever
you
Therefore
?
that
if you
engineer,
engineer.
draw
time
this
by
first
more
"
be
be
used.
may
indicate
taste
requisite,
should
corners
of
drawings
acquired.
You
or
artistic
than
and
draw
edges
a
apparatus
sort
To
extra
of
of
give
skill.
tional
conven-
effect,
heavy
the
flat surfaces
SO
PEN
which
are
general
between.
of
use
They
of
really one
The
of
the
advising
of
work
art
be
can
not
are
The
of
liquid
chance
India
for
luxuries,
In
on,
one
at
it is
room
to
memoranda
good
a
should
for
note
all
to
not
be
writing
the
on
it
for
the
sketch.
by
is
pen-
used.
effects
India
ink.
pen
give
good
a
as
are
they
are
student.
a
rather
to
large
This
and
be
quoted
scale
"
the
gives plenty
dimensions,
features,
or
They
practice,
use
the
with
them.
dimensions
in
then
good
for
cramped.
some
be
it takes
for
smaller
the
as
hand
free-
first line
the
lithographer's
requisite
rule
If
from
effects, but
sketches
making
drawing
of
not
this
pencil
certainly
with
recommended
be
to
and
the
ink, but
a
not
erasure
correctness.
fully profit by
to
of
use
should
and
need
must
facilityof
common
fine
very
draughtsman
hardly
ink
poor
up,
you
correctly
use
a
practice
comes
pen
the
by
easily produced
so
should
start, and
pen
to
defects,
because
against
the
may
you
or
pen,
drawing
acquired,
ink
For
the
militate
to
the
a
afforded
out
supposed
a
from
rightly
rubbing
of
use
side
uses.
you
pencil
faces
sur-
exaggerated
correctly, you
whether
of
diate
interme-
effect
conceal
in
lower
lines
or
certain
a
principal
with
drawing
free
to
their
the
on
diagonal
draw
can
serve
question
draw
gives
if you
them.
use
is
lines
But
lines
and
These
right side
the
on
somewhat
A
these
sketch.
lines
objects,
or
shadows.
cast
horizontal
objects,
surfaces
to
as
vertical
are
or
of
placed
so
SKETCHING.
PENCIL
OR
even
and
allows
to
make
SITTING
82
of
of
and
surfaces,
the
just
in
models,
in
being
While
it will
high
rooms
stools
If
the
in
late
work
It will
spoil
will
in
your
all
looking
though
so
night.
you
If
you
vantage.
ad-
an
learned
the
in
regular
make
their
in
standing
draughtingappearance.
that
is
standing
draw
and
do
probability
it is
start
must
them
in
do
a
most
to
abuse
so,
then
But
lots
at
have
do
You
harm
of
arc
lights,
reprehensible
them
tice;
prac-
by drawing
a
;
supper.
necessary.
lights, perhaps
strong
your
lamp-light.
than
more
off
in
five
at
breakfast
before
put
by
eat
to
Rise
night.
at
and
any
know
not
draw
you
human
do
in
breaking
in
however,
afternoon
eyes
at
may
will
well
avoid
of
sitting.
summer
the
he
rather
be
to
to
many,
not
hurt
not
not
by
in
morning
will be
him
and
problem
may
that
apt
are
than
possible, do
the
that
afford
trouble
usually taught
by
healthier
of
order
found
be
It is maintained
far
is
can
board.
the
at
drawing
position,
in
he
capitals
One
problems
drawn,
work
one's
upon
Ionic
up
for
fancy
a
shadows
and
but
involved,
has
descriptive geometry,
subjects.
Several
before
in
of
studying
embrace
They
one
faces
sur-
practice drawing,
shades
pictures
a
be
case
to
for
is that
each
wishes
and
steam-engines
think
studied.
problems
use
as
if
and
curved
to
surfaces.
be
make
perspective
WORK.
tangency
curved
may
student
well
as
loci of
problems,
graphics, they
If
the
and
planes
elegant
very
STANDING-NIGHT
OR
good
at
stu-
BLUE-PRINT
dent's
lamp
and
will
reflection
to
your
not
little.
very
paper
with
dull
the
angle
that
so
reflected
you
quite
on
beam
or
of
straight
is
blue-print
paper
be
may
the
for
ing
Print-
copying
another
impossible
renders
course
a
copied
or
copy,
to
it
with
sunlight.
good
of
paper
adjunct
practice
thick
side
of
convenient
may
if there
there,
cut
of
use
a
reverse
or
a
from
design
paper.
Get
few
a
regards
points
of
care
and
Even
best
shape
For
sharpening
sand-paper
the
the
the
often
are
regular
and
points
of
used,
but
as
of
the
keeping
of
edges
lead
draughtsman
the
right-line pens
of
sharpening
their
give
to
a
instruments,
dividers
of
from
points
sharpened.
looked
be
may
little
pencils
the
and
pencils
into.
pads
writer's
of
favorite
file.
a
Conveniences
Do
year.
half
but
for
in
not
keep
dozen
a
collection,
too
box
be
this
all
whose
strapped
draughtsmen
in segar
direction.
of
them.
and
with
You
are
boxes.
need
is in
value
brass
As
every
large expenditure
a
principal
recommended.
instruments
far in
get
multiplying
are
instruments,
experienced
their
to
a
silver, cannot
noted,
drawing
start
rosewood
heavy
go
is
paper
the
drawing
is
the
and
Drawings
on
such
a
lamp
bring
paper
blue-print
the
use
the
place
drawing-room,
on
by,
83
eye.
Blue-print
the
work
to
surface,
mat
PAPER.
or
has
German
been
very
a
aptly
prone
Perhaps
to
they
84
CONVENTIONAL
In
REPRESENTATIONS.
sketching
isolated
if
Thus,
will
have
working
great
a
each
In
case
have
identical,
various
often
in
such
of these
little
simple
or
been
above
made
if
make,
and
some
rapid
might
be
and
gives
there
are
repeated
this
is
used,
be
the
from
is
one
well
to
have
to
stencils
carving,
sentations
repre-
resembling
wood
rubber
types
lessly
care-
Little
of
carry
drawings
be
at
has
error.
such
adept
an
to
any
an
them.
out
cut
how
use
it would
iveness
effect-
drawings
involve
making
if
or
not
symbol
of
sight
of
many
possible,
of
way
Do
fixed
a
such
idea
an
great
a
of
it may
or
have
you
and
all absolutely
be
to
lose
not
suggestion.
might
type,
and
adopt
to
sheet
A
symbol,
But
ventional
con-
steam-
lamps,
have
Do
drawing.
published,
the
out
over
and
drawn,
it is well
neatness.
or
be
plants,
work.
each
For
of
which
features
other
isolated
dynamo
a
for
or
repeatedly
times
number
to
be
to
many
of
a
houses,
such
upon
representations
engine.
have
things
draw
to
for
diagrams
certain
plants,
drawn.
you
wiring
could
stamps
be
made.
It is well
what
lamps
conventional
of
symbols
different
dynamos
current
crossing
of
little
loop
have
learned
wires
or
with
get acquainted
to
bend
kinds,
the
and
something
for
drawings
direct
contact
one
of
about
and
Notice
like.
without
on
or
and
engineers
the
is
they
use
how
indicated
drawing,
for
alternating
also
wires.
find
After
half
an
the
by
you
hour
a
ACCURACY
or
with
hour
an
the
you
clue
trade
In
found
for
models
Other
details
the
to
for
than
of
being
model,
produced
by
Under
in
attention
to
little
engineers.
The
branch.
indicated
will
in
of
drawing,
artistic
little
this
drawing
what
given
an
dence
evi-
he
was
of
being
effect
up-to-date
things.
it
book
to
be
it
is
imperfections
rough
binding-
switches
by
of
compensate
the
by
more
a
least
at
or
is
details
talent.
of
general
a
is
same
Such
even
be
things
in
and
science,
other
in
adds
knew
type,
to
engineering
attention
for
latest
by
catalogues
Nothing
detail,
will
and
in
get
books.
such
profusion
draughtsman
the
accepted
from
a
will
you
effectiveness
of
evidence
Such
doing.
in
and
the
motor,
be
making
are
you
or
practice.
accuracy
that
posts
for
appearance
sketch
dynamo
given
are
give
will
books
if
Thus
binding-posts
excellent
are
electrical
and
a
will
features.
special
of
85
draughtsman
drawing.
sketch
scale
good
and
these
catalogues
hints
large
electrical
an
to
DETAIL.
OF
is
of
for
true
as
everything
in
as
practice
for
due,
that
importance
great
said
stated
other
as
any
those
tions
imperfec-
perhaps,
to
sence
ab-
CHAPTER
VIII.
Teachers.
practicability
of
solving
extension
students
the
"
teacher
a
required
of
it
While
that
will
will
afford.
can
almost
can
;
can,
But
one's
every
be
perhaps
consulted.
a
man
home
it
is
and
studying
within
there
it
at
or
good
which
is
rather
comparatively
that
Perhaps
a
teacher
acquaintance
true
An
with
which
be
less
matters.
private
must
?
difficulties
the
one
amount
the
even,
settle
study
alone
none
days
A
it
and
facilitate
three
to
of
limited
the
at
greatly
much
luxury,
Can
oratory
lab-
ITY.
electric-
branches
the
?
themselves.
expensive
who
or
do
present
few
of
two
every
teacher,
an
will
teaching
for
learned
certainly
teacher
a
hour
be
of
the
in
of
electrician
here
suggested
workers
hard
necessary
the
classes
different
"
difficulty
"
Is
science
in
school
"
"
courses
one
every
"
university
study
in
making
difficulties
teacher
a
assistance
obtaining
is
a
the
is
school
graduated
range
a
friend
pal
princifrom
of
notes
The
the
This
will
your
friend
process
will
solution
the
difficulties
much
for
will
follow
help
you
a
find
yourself
of
road
roads
is apt
An
week,
to
to
be
subjects.
to
This
mind
be
down
difficulties
the
and
case,
be
may
of
too
earnestness
willingness
to
long
of
the
would
thing
old
increase
you
are.
after
he
there
"
and
longest
be
the
be
better
was
at
fifty
them
one
the
end,
other.
anything
is
however,
teacherless
no
some
road
of all.
made
over
Alfieri,
There
are,
the
done,
over
at
teacher.
a
be
alone
learn
can
with
ones,
list
the
of
aspect
to
day by day
they
might
smooth
dreadful
one
You
not.
difficulties,think
reduced
that
the
Greek
you
be
it may
but
how
knowledge;
one
fewer
greater
but
your
arrangement
just
is
learn
very
"
special
a
thinning
aspect
assuming
as
can
ing
work-
are
Some
result"
learned
hold
people
royal
long
and
certainly
The
An
the
Note
age.
excite
ones.
this, and
not
poet,
they
good
there
Do
day by day,
it will
be
Then
alone.
to
attack
insured.
it may
years
which
all
will be
Italian
be
you
would
adviser.
your
least
study
Some
will
Then
that
present
otherwise
than
far
go
work.
to
you
from
bore.
the
in your
and
cause
for
may
will
disadvantages
in you
fact
The
them.
you.
night's sleep.
a
list down.
the
to
occur
after
make
subject
a
they
as
them
thin
with
interest
At
solve
to
doubtless
under
studying
points
difficult
day try
next
and
reading
In
college.
87
HELP.
WITHOUT
LEARNING
for
worst
than
one
evening
parts
of
nothing.
your
a
Make
and
one
every
their
conductor
in
points
some
will
know
of
the
of
engineer
station, and
acquire familiarity with
if it is
to
the
only
the
words
from
If there
is
in
least
librarians
librarian
of
possessed
rule.
that
with
up
her
the
There
is
University
into
almost
a
ten
in
in
each
conference
desire
it.
have
been
once
be
see
Your
the
those
first
studying,
excited.
of
how
professor
questions
and
Without
his
of
days
of
them
as
that
his
the
self
your-
Extension
will
interest
feel
and
not),
attend
course
will
vanish.
gives
courses
his
audience
show
in
monopolizing
or
specialized.
study,
in these
a
keeping
worked
should
of
members
work
instruction,
troubles
your
at
in
do
have
University
you,
science
be
to
electrical
lecture
lecture
to
of
not
of
you
of
find
not
to
you
(although
the
profession,
agent
place
in these
After
perfect tangle
twenty
or
But
much
so
is apt
science
Extension.
despair
receive
help
probably
of the
splendid
one
electricity and
After
a
a
has
requirements
of
amperes,
your
special knowledge
librarian
knowledge
power
ears
to
books.
will
you
much
good
A
of
able
greatly developed
so
library schools,
be
may
selection
has
or
and
your
they
ance
acquaint-
light
in
circulating library
a
the
letting
if
see
mouth.
another's
the
residence,
of
extent
the
volts
you
little
the
electric
the
at
and
Make
of value.
give
them,
statements
be
not
trolley-man
doubtless
can
electricity. Try
plain, every-day
may
The
teacher.
your
electric-car
the
EXTENSION.
UNIVERSITY
THE
who
that
you
him,
will
you
at
follow
90
THE
Chemistry
in
these
the
before
last
will suppose
determined
be
dryness.
it is
If
Pretty
with
worked
out
Perhaps
the
the
In
with
school
a
work.
The
There
is this
of any
if
in the
future
be
equations
new
a
hard
workers,
success.
and
able
and
teachers
bring
to
of
be, glad of
about
laboratory
in
advanced
not
down.
takes
slow,
course
should
or
also
be
to
is rather
branch
science
a
as
hard
be
that
mankind
the
electric
ocean,
to
so.
as
practical
the
carries
will
car,
find,
chance
to
a
good
teacher
good
teacher
Where
the
is
of
mysterious
defined
a
that
is devoted
superstructure
so
While
said:
uncertain
something
never
may
drives
is
whole
a
of
the
often
electricity is especially
where
and
be,
written
principal
science
a
the
all
are
it up.
work
of
active
teachers,
would
science,
of
of
Reactions
for
any
might
student
introduction
the
of
pledge
disappear.
to
where
chemistry
class,
its
apparatus,
re-agents
these
third
the
best
good
one
For
to
model
equations
of
and
by keeping
the
employed.
proportions
and
meaning,
of
But
subject despite
commence
chemical
and
calculated.
give
is
the
dryness begins
sketches
special
anything
are
the
soon
chemistry, they
note-books,
with
grapple
to
determination
have
to
mour
gla-
it.
with
acquaintance
closer
the
loses, perhaps,
laboratory
it had
we
WORKERS.
HARD
SLOW
"
never
for
there
know
whispers
articulations
that
of
a
very
electricity,
to
the
it has
not
is every
what
nomena
phebeen
ability
prob-
it is that
across
message
speech
basis
from
New
THE
York
based
are
hard
be
know
must
far
weak
where
and
general
he
that
and
is
his
know
have
engaged
such
is
the
Such
is
he
will
nature
of
in
standing
under-
thinking
This
principles
of
is
not
easy
the
to
appreciate
an
in
experience
particular.
treasure
a
know
off
go
knowledge
one
where
not.
general
a
derstand
un-
must
difficulty
product
in
special
on.
met
very
the
must
just
he
;
student
does
experience
must
must
he
be
are
a
he
;
teacher
a
teaching
special
let
not
must
his
theory
where
teacher
teaches
of
find
must
understands
A
the
will
he
;
he
in
student
he
limits
the
spots
a
than
more
ether,
For
subject.
of
theory
a
hypothetical
purely
the
into
quartz
at
attempts
the
teach
to
within
the
best
on
fuses
and
trees
"
electricity
must
the
when
fulgurites,
it
splits
Chicago,
to
91
TEACHER.
GOOD
of
teaching,
he
subject
the
to
means
When
find.
and
student,
ambitious
from
working
hard-
or
learner.
The
his
above
teacher,
own
the
man
has
a
summary
fool
when
is
who
for
a
his
to
goes
own
client.
he
could
lawyer.
The
show
that
he
get
another,
The
latter,
application
is
it
who
is
is
like
is
said,
obvious.
92
CHAPTER
Electrical
utility
Factory
positions
premiums
The
is
products
The
ways.
If the
then
the
a
purely
cases
how
the
he
enters
For
theoretical
to
others
factory
man
to
as
a
of
in
from
himself
temporary
in
the
or
than
is,
person
and
forlorn
above
should
to
Thus
use.
can
going
apprentice.
do
into
tools,
kind
any
tools, how
college
several
establishment.
more
He
their
a
is
other
the
machinery
kind
engineer.
direct
beneficial
of
trical
elec-
an
and
the
enters
nothing
limitations
enter
who
on
some
the
prize
he
to
answered
depend
quite ignorant
better.
know
things
be
can
auspices
sooner
the
shop
and
is
man
a
more
what
under
and
students
by
dynamos
upon
will
answer
factories
work
it pays
whether
that
one
works
in
factory
work
and
of
courses.
of
factory
who
"
large
and
positions
in
expended
of
students
uselessness
small
for
paid
question
for
benefited
"
schedules
Students.
for
work
most
be
would
time
Work
factory
of
some
IX.
of
than
all
them,
use
in many
nothing
an
trical
elec-
VALUE
It is to
this
be
of
be
The
art.
propriety
for
far
as
The
and
mechanics
the
between
who
does
the
knows
who
to
his
he
hands
guish
distin-
to
try
of
degrees
numerous
whom
one
what
is useless
needs
proficiency
mechanics.
is
There
in
to
means,
to
of
different
the
to
go
value,
utmost
prepared
to
profit the
in
most
But
as
to
an
thing,
and
work
then
profit by
long
"
it.
is
possible, by
in
even
skilled
college
be
termed,
little while
value
The
the
it may
experience
most
ficially
bene-
as
a
or
be
may
would
to
in each
few
a
be
the
of
the
of the
best
man
machinist
student
any
would
the
probably
run.
whether
as
the
of the
and
electrical
such
to
departments,
it pays
in
workman
common
it is
If
quickest
the
it
factory.
one,
important,
more
time
some
apprenticeship,
an
electrical
an
that
question
no
given
a
than
It
himself
tools, evidently
worse
for.
good
ual
individ-
for
person,
about
but
uneducated,
dently
evi-
concerned.
are
book-learned
training
same
vary
each
judge
must
the
will
be
whom
to
for
for
and
of
will
others
work
to
readers
many
taste
a
one
anything
are
have
classes,
general
arms
in
such
non-educated,
call
all
going
Every
machine-shop
may
of
class.
understand
not
a
of
each
of each
as
and
will
good
any
of the
many
mechanics,
mechanics,
amateur
it will
skilled
be
93
EXPERIENCE.
that
presumed
will
book
good
PRACTICAL
OF
one,
a
and
a
young
to
man
large factory simply
spend
cutting washers,
his
day
there
on
can
go
in
as
because
single
one
be
little
DIFFICULTY
94
doubt.
this.
if
position only
but
be
have
chance
a
were
in
of
highly specialized system
One
is certain.
thing
it will be
the
electrical
young
they
will
Some
be
of
and
But
it is very
so
hard
to
of
of
are
value
is
no
able
to
enter
selecting
what
admitted
at
must
take
For
department
highest
the
any
at
factories.
Mass.,
and
York,
have
works
will
can
pay
to
for
pay
obtained
be
if you
are
you;
you
Edison
factory
to
willing
do
to
at
this,
follow
a
premium
at
electrical
factory
Thompson-Houston
offered
be
willing
are
nominal
the
not
position assigned.
who
The
will
of
difficulty
in, for
choice
no
cants,
appliremove
may
the
work
to
works
any
for
removes
will be
all, there
those
positions
It
all.
at
if
precincts.
to
This
by
promise,
for it is possible that you
part of the difficulty,
be
into
the
room
in.
ilege,
priv-
besieged
desired
the
get
the
entrance
an
kind
real
there
in
for the
now
them,
of
be
would
them.
employing
of
many
will
large factory.
are
to
may
and
than
more
every
admitted
only
them,
promise,
make
willing to
men,
anything,
place
a
paying
They
factory.
all is
then
to
obtain
to
If
chance.
such
Without
hard
very
be.
in
the
a
ment,
advance-
rooms,
much
up
of
more
two
or
his hand
pick
to
be
would
such
accept
will not
workman
turn
to
chance
a
one
A
to
upon
for him
there
eyes,
engineering by doing
probably
works
one's
called
there
is done
everything
under
electrical
there
such
small
a
no
advisable
be
It would
In
FINDING
will learn
He
POSITIONS.
OF
at
Lynn,
Schenectady,
New
doubtless
other
and
their
lead.
The
ex-
REQUIRED
TIMS
in the
of
case
of nominal
Thus
is
The
the
upon
find
a
of the
of
student
be
to
of
has
prepared
be
that
seen
is
ground
of
how
and
covered,
much
the
two
is afforded
inside
learn
lines
out-
quantity
a
demonstration
is to
there
to
these
.
of
claim
no
carefully selected
It will
for
less advanced.
one
supplied by
examples
serious
a
required
himself
courses
work.
is
student
hold
must
schedule
as
payment
they employ.
courses
for
more
elsewhere.
given
these
finished, the
factory, and
is
the
by
whom
supposed
and
position
The
works
in
is
year
once
course
in part,
for
gradually recouped.
required
college graduate,
named,
students
the
05
COURSES.
compensated
works
two
to
whole
A
thing.
the
premium
time
is
premium
wages
the
The
a
the
of
penditure
REGULAR
IN
of
great
a
works.
The
ideal
include
such
is that
of
a
a
year
in
which
may
will
they
the
at
ideal
more
in
works
To
who
one
such
the
any
a
question.
any
kind
to
perfecting
at
would
capacity,
the
available
If
bare
promotion,
one's
eventually
in
long
he
be
not
he
will
the
used,
or
and
wages,
apprenticeship.
get
his
smaller
more
works
obtain
living
working
or
Edison
only
thus
one
a
one
best
though
al-
useful.
his
some
of
hope
of
for
in
start
course
can
living
to
of it
self in details
himself
on
be
Thompson-Houston
the
unsatisfactory part
dependent
thing
to
seem
always directly or indirectlybe
is
one
electricity would
The
course.
is spent
engineering
For
in
education
up.
years
is out
position
which
and
of
of
leads
most
Electrical
General
the
of
Works
the
at
in
Courses
Students
of
Schedules
FACTORIES.
IN
COURSES
STUDENTS'
96
neering
EngiElectric
Company.
Kind
Weeks.
Work.
of
PLANT.
SHOP
1
.
2.
ARC
WORKS.
MASS.,
LYNN,
Wiring
4
Shop
4
motors
DEPARTMENT.
1.
Arc
lamp
assembling
2.
Arc
lamp
testing
3.
Arc
machine
1.
Incandescent
2.
Meters
3.
Winding
assembling
and
testing
.5
and
testing,4
DIRECT.
machine
assembling
2
armatures
4
AND
MOTORS
STATIONARY
1.
Assembling
2.
Railway
and
GENERATORS.
testing
4
large generators
5
and
SYSTEM.
ALTERNATING
1.
Machine
2.
Construction
3.
Testing
4.
Testing mining
Blacksmith
4
DEPARTMENT,
INCANDESCENT
Railway
2
motor
assembling
testing
transformers
drills and
5
1
transformers
testing
shop
and
1
apparatus
2
3
2
58
CHAPTER
X.
Education,
College
colleges
disadvantages
"
of
college
a
course
apparatus
It
of
If
possible,
if
should,
able
for
principally
without
a
do
have
more
afterwards.
is
and
is written
able
inestimA
course.
the
useless,
lege
col-
his
of
day
such
For
rather
college
the
on
lege.
col-
ing
graduat-
work
college
far
or
after
this
to
go
the
at
not
a
knows
and
so,
remain
attending
ever
wishes
up
making
examinations.
to
it
to
three
anything.
at
man
acting
their
should
But
who
man
give
bright
so,
question
as
they
it
because
considered.
be
young
to
do
course.
needed,
not
not
have
by
than
is
a
do
of
graduation
If
to
generally
man
would
should
those
advantage
advice
he
post-graduate
a
the
electrician
prospective
a
"
studies.
consider
to
"
colleges
small
course
unnecessary
whether
take
and
electrical
seems
scholarships
"
large
tutorships
advantages
and
as
or
private
As
four
by
tutor
a
man
may
coaching
to
prepare
advances
will
perhaps,
years,
Something
college
he
college,
to
go
earned
be
other
them
higher
dents,
stu-
for
the
PROSPECTS.
COLLEGE
of
prospects
become
may
is
there
with
in connection
this
will
is apt
least
at
and
depend
be
to
also
A
What
not
paper
high
the
question
the
opens
or
are
colleges
at
go
the
graduates,
places
or
open
vantages
ad-
ship,
scholar-
a
studies
and
to
honorarium
or
of
can
low
a
be
courses
be
In
all
position,
may
brought
about,
of, can
successful
be
may
or
direct
spoken
known
the
own
where
cases,
cannot
his
which
career
some
with
course
with
However
the
to
the
ers'
teach-
to
avenue
tutor
as
already
locality.
which
the
passes
In
as
by
to
engineering
And
ing
earn-
incidental
his
up
who
college
such
rates
of
work.
no
appreciable
beginning
college
in
obtain
continue
college.
with
success
several
connected
private tuition,
at
may
professorship.
connection
given
man
graduate
the
least
a
some
the
have
as
to
also
other
some
to
done,
so.
become
may
it is at
lead
A
with
leads
but
course
work.
with
too,
into.
to
small
hard
also
them
good
doing
college
honor
of
course
a
while
salary
for
any
very
case
invited
be
on
stepped
A
receive
the
such
college
and
be
can
but
and
desultory,
be
to
with
ready
The
which
college,
the
is very
money
same
Sometimes,
it
house.
publishing
All
literarywork
and
increase,
remunerative.
quite
little
a
work
such
obtaining
101
settled
parts of
be
ate.
gradu-
largely by
the
country
in mechanical
and
trical
elec-
and
largest
and
taken,
the
CHOICE
OF
endowed
are
102
richly
most
attending.
worth
ones
attention
institution
by
The
the
of the
expensive apparatus
more
is
There
end
no
get infected
may
in adults
seen
the
sonal
per-
of
a
and
other.
apparatus,
desire
same
small
lege
col-
a
"
sometimes
of
the
most
is often
work
better
But
in the
than
for
chance
collecting apparatus
supplies
meager
laboratory
the
by
description.
varied
with
for
only
larger plant
accumulating
to
the
means
greater
overbalance
may
no
part of professors in the small
the
on
COLLEGE.
college
private
or
of
princely laboratory
done
great
a
university.
in
work
non-graduates
as
is
A
part of the
Great
in
course
tangent
of the
incidents
is
for
the
of
one
it the
work, is,it
talents
than
All
mourn
of
is
leads
if you
the
work
for
apparatus
be
presumed,
to
cannot
ratus
appaing
answer-
or
many
the
a
the
like
in
ics
mechan-
things taught,
are
and
The
needed.
namely
machine-shop
within
to
the
a
scope
greater
college
most
conclusion
take
principal
a
is not
book
this
of
of
far
as
ing.
engineer-
and
mechanics,
case
elaborate
galvanometers
of
readers
in the
this
to
So,
mechanical
under
important
of
practical portion
students.
electricity,and
course,
most
luxury
is
of work
class
the
for
them.
for
purpose
by
needed
all; simpler appliances
at
part of it,is comprised
but
This
concerned,
are
needed
not
every
performed
be
to
is
apparatus
original investigation.
supposed
not
expensive
and
fine
Very
that
college
you
course,
and
degree
students.
need
and
not
espe-
ilf
j
Testing
Room,
Cornell
,i
.
jgt
University
If
circumstances
the
four
at
place
is
which
of
workers
who,
who
they
way
in
goal
are
it
through
is
to
not
may
for
up
college.
to
their
the
the
will
sooner
gin
be-
over.
of
army
eager
sons
of
pitch,
on
cilities
fa-
striving
are
highest
talents
the
insufficient
education,
with
which
through
the
find
to
struggle
be
ing
feel-
spend
to
graduation
means,
competition
the
than
will
hoped,
be
of
one
with
go
insufficient
with
expend
on
long
comfort
some
educated
do
The
you.
insufficient
and
the
and
engineer
and,
entering
mortifying
more
electrical
earlier,
from
yourself
university
for
open
self-made
All
a
COLLEGE.
you
console
is
nothing
years
THE
prevent
universities,
great
that
no
WITH
DISPENSING
106
cribbing
the
for
rich,
provided
their
107
CHAPTER
Engineering.
Steam
POWERS
WASTED
COAL
ECONOMY
RECORDS"
OF
ERRORS
DIFFERENT
OF
ENGINEERING
TYPES
UNFAIR
FADS
GINES
EN-
REVOLUTIONS
"
ENGINEERING
STEAM
"
STATION"
A
STATEMENTS"
IN
OF
STEAM-ENGINE
THE
OF
CONSUMPTION
COAL
WASTEFULNESS
NATURE
OF
POOR
"
XI.
IN
SPECIAL
A
STUDY.
engineering
Steam
is the
If he
acquirements.
engineer,
in
and
cable
heat
electric
For,
of
a
or
power
without
the
about
our
kinetic
except
important
more
steam
of
few
gineer's
en-
them,
station.
a
steamships
on
where
steam
than
part
in
an
light generating plant.
millions
this
conditions
energy
still have
we
of
earth
utilizingany
thermic
first-class
instance
plants, an
gravity actuating
upon
a
station
the
conduct
to
found,
be
unfortunately,
energy
only
of
comparatively
are
to
traction
play
is
qualified
is nowhere
There
or
there
nine-tenths
is
he
and
epitome
of
which,
natural
we
force
of potential
twenty-four
directly,"
the
the
see
horse-power
every
of it
to
know
world
utilized, could
hours
that
bring
sweep
108
UNUTILIZED
the
NATURAL
steam-engine
that
the
and
succession
winter
are
coal-mines
of
out
of
existence,
night
of
sources
of
the
POWERS.
and
day
fade
into
realize
we
of
or
before
energy
earth
when
summer
which
the
insignificance,
"
know
we
it
that
is
in velocity of the
be
may
utilized
work.
But
winds
to
bowing
have
we
the
pulverize
of
hundreds
be
then
cent., or, by
per
the
ten
as
uncombined
find
we
plant
gradually
this
But
very
life
at
the
separating
separation
all.
important
For
"
cheap
waste,
great
it
might
almost
is left
healths
this
say
of
ing,
engineerThen
in being
it is
burned,
work
far
and
again.
as
well
ics
econom-
take
not
separation
how
to
expense,
oxygen
as
great
utilized,perhaps,
and
that, as
on
rate,
a
its energy.
and
the
it
what
wasteful
carbon
to
very
represents
so
it is hard
place
triumph
our
and
do, and,
send
is gone,
slow
that
we
have
to
is
our
a
at
carbon
oxygen
knowing
tides
so
of
cent,
its
their
to
and
vessel
great
undoing
concerned,
are
place
with
all
miles
a
per
which
energy
coal
boiler, and
a
do
the
it, and
of
difference
polar regions
than
up
rail and
by
under
much
as
of
thousands
up
one
when
and
used
after
at
and
with
extent
dig
out
screen
and
burned
earth
the
generations
content
greater
the
and
proportion,
be
to
destiny, we
our
surface
equatorial
proportionately
much
a
to
earth's
that
by succeeding
forefathers
our
conceivable
much
may
or
be
how
little.
The
steam-engine
electrician
gloats
over
is
a
dreadfully
his
dynamos
crude
and
affair.
motors
Every
with
of
returns
troubled
for
in
ninety
by
All
practice.
built
having
he
of its
and
which
thermopiles,
is clear
has
at
is
steam-engine
a
for
means
has
the
most
The
this.
doing
lose
to
he
efficiency, because
him,
ninety- eight
fell swoop
one
for
sailing
that,
except
per
cent,
ninety
per
the
turn
to
cept
ex-
rejected
accordingly
are
of
dynamo
a
thermo-dynamics,
of
law
is
He
upwards.
and
cent,
per
second
no
109
STEAM-ENGINE.
THE
ciency,
efficent,
armature,
available
generally
his
undoes
steam-engine
economies.
in
Everything
coal.
is
It
a
Sixty
inches
a
of
little
keep
have
of
of
such
and
a
for
per
hour
of
carbon
make
pounds
each
hour
few
these
at
do
rough
a
it,or
inches
of
of
gauge
in dividends
if ten
up
to
heat.
difference
keep
to
white
a
how
burned
be
must
great
a
of
intimated,
gives
of
consumption
on
already
as
half
burned
energy
hinges
filament
will
It
one
be
to
coal
filament
horse-power.
if
station
question,
a
pounds
many
a
pounds
the
supply
ignited
carbon
filament.
then
Considering
chemical
converting
kinetic
in
the
conversion.
number
a
very
been
highest
of steps, each
small
mined
It does
and
contrivance
a
with
seem
of
its
the
a
transported
electric
merely
efficiency
conversion
the
for
consists
possible
one
into
energy
running
indeed
amount
as
potential
Unfortunately
is utilized.
has
station
its successful
energy,
developing
a
the
own
total
pity
that
hundreds
in
the
involves
loss,so
chemical
after
of
that
ergy
en-
coal
miles
110
ECONOMY
RKAIv
only get,
we
good
concentrate
the
of
units
thus
and
keep
Real
the
proper
than
is
the
as
and
are
of
ashes
the
and
ashes,
ashes
is
This
in
all this
out
dynamo,
to
A
waste
are
the
coal
is
favored
to
small
coal
it accumulates
the
a
ton
cent,
of
credited
is
coal
good
is
the
to
wasted,
to
the
weight
work.
2\ lbs.
one
the
system
the
water
and
the
work
of
per
One-tenth
of wet
rated
evapoall
the
on
"
about.
of
as
; it favors
error
an
moved
re-
books
boiler.
the
is executed
of
tent
ex-
carbon.
All
determination
hundredths
ash-pans
uselessly evaporated;
is
ashes
be
few
is
coal.
figures
the
with
error.
ash-pans
the
with
it is
the
course
get the
but
matter,
of
water.
the
from
from
a
weighs
the
measures
latter
higher
He
wet
ords
rec-
suppose
boilers.
out
The
the
Thus
raked
wet,
of
much
is subtracted
ashes
omy.
econ-
systems
show
and
from
a
book-keeping
his
of
along
may
per
a
whole.
to
is subtracted
chemical
within
of
the
made
ashes,
water.
with
a
boiler
not
boilers, and, in conjunction
ash-pans,
of
the
weighed
of
A
Figure
from
improper
proud
the
coal, weighs
the
station,
a
practical engineering
actually obtained.
superintendent
But
be
can
are
weight
goal,
rather
or
books
figures
true
in
over
is the
economy
By
The
run
economy.
appliances
watch
a
to
is half-cured.
located
the
real
on
efficiency
of the
each
have
its potential
of
cent,
per
if you
So,
ideas
your
day
every
it.
of
out
few
just said, a
as
STATIONS.
IN
sometimes
One-tenth
cent.
of
Far
a
per
more
cent,
than
that
amount
of coal.
not
carbon
burned
a
is
above
The
error
be
only
given
would
rately
to
by
the
on
is
is also
a
There
in
fads
applies
to
not
This
engines.
in
everything,
the
suggests
of
is
robbing
be
placed
in
a
others
that
If
equal
a
cent.,
per
a
a
boilers.
the
at
accuracy
of tons
Peter
are
single
as
only
good
one
of
kind
kind
or
"doctoring"
above
the
will
It
adhered
to.
tells
against
be
why
the
unfair
An
the
against
other
Paul.
pay
Faith
fads.
boiler, when
better.
of
ent's
superintend-
a
reason
to
to
if
and
another
step
one
not, therefore, yield
Do
of
an
him.
please
favor
steps, and
engines,
should
accuracy
figure
temptation,
at
on.
probably
utmost
a
hundreds
where
obtained
be
are
fad
substance,
tare
record.
the
fraction
the
-
month
efficiency of
a
sorbed
ab-
a
of
example
within
of
gram
should
operated
to
for
it
accu
and
then,
an
water
determined
be
"doctoring"
of
how
correct
the
for
employed
an
of
to
way
and
recorded
the
works
using only
idea
of
fraction
a
example
an
now
be
could
error
as
could
every
example
an
chemist
the
within
allowance
This
ashes.
it increases
will
the
this, and
as
obvious
An
an
sample
a
The
time.
in.
make
be
obtained
thus
least
working
accurate
errors
known
should
creep
may
for
such
to
ton
a
cent.
per
It
subject
be
should
for
constructed
station
A
of
ashes
the
with
weighed
be
may
Ill
REPORTS.
OF
SYSTEMS
IN
ERRORS
Do
need
there
not
not
are
acquire
high-speed engine
will
be
sibly
posthe
run
112
a
PREJUDICES.
other
than
One
of
a
better
it is
Yet
some
hardly going
one.
is
is
the
one
of
too
far
plus
ne
these
to
unable
types
that
say
to
why
say
than
economical
more
ed
connect-
expansion
that
be
would
engineers
engine
compound
in
inheres
some
low-speed
a
quadruple
imagine
to
apt
are
ten
with
high-speed
a
and
triple
economy
of
work
infirmityof engineers
They
out
city
neighboring
a
with
do
common
engines.
nine
doing
compound,
engines.
ultra
in
can
you
very
with
of
be
plant may
engine
when
rightly,
dynamo
single
a
one.
is therefore
It
carried
away
devices
in
fortunate
by
and
of
itself
seen
electricity,but
the
general"
the
not
has
for
You
of
be
familiar.
descent
yet of
must
no
less
From
be
made
the
Carnot
laws
these
an
miracle
These
is
the
vent
ad-
present
about
by
in
tricity
elec-
which
to
be
looked
applications.
a
very
diagram,
engine
subjects
importance.
is
affecting
more
One
engineering
engineering
in
to
to
extended
the
steam
The
revolution
more
cycle,
thermo-dynamics,
Steele
A
steam
Carnot's
expansion
de
be
to
improvement
brought
is
reference
fin
sees
great
revolutions
its
from
who
endure.
to
itself.
make
must
study.
of
to
shown
time
any
single
destined
has
generation
frequent.
long-lived
a
self
one's
Revolutionary
not
are
probably
success
is
allow
to
overenthusiasm.
engineering
and
which
dangerous
the
special
ical
econom-
cylinder
basic
of minor
affect
laws
the
subjects
must
the
significance
the
motion
114
CHAPTER
Manufacturing
The
different
work
circuit
parts
power
factories
machinery
good
meters
of
their
and
"
ing
mak-
"
distribution
for
improving
"
small
of
sign
de-
in
motors
cheap
installation
bad
dynamo
improvements
"
of
magnetic
the
factories
in
building
faults
"
Engineer.
done
motor
and
XII.
electric
defects
testing
materials.
construction
The
electrical
From
hundreds
of
of
after
day
out
work-shops
in
up
from
little
where
by
switches
the
to
bits
a
very
of
brass
thousands
the
model
wide
maker
only
and
"
instrument
keys,
diversified
one
field
are
worked
and
himself
extreme
is
pliance
ap-
makers'
sounders
busies
who
room
similar
steel
are
occupation
some
and
from
two
or
find
or
into
capacity
one
men
telegraph
the
of
great factory where
the
to
branch
one
kilowatts
few
a
is
the
condensers
special apparatus
other
day
where
manufacturing
"
machinery
engineering.
generators
turned
of
with
to
passed
the
over.
FACTORIES
Thus
when
of
machinery
factory,
a
in
this
to
one
the
foreman
to
have
the
brass
of
of
sounders
parts
In
be
handles
maker
of
and
glass
any
one
could
in such
the
electricians.
of
being
in
the
with
calculations
the
the
fullest
the
symmetry
the
be
mica
case
cores
the
among
of
and
densers
con-
paraffine
;
lead-oxides
lead,
seem
adapted
the
though
as
his
to
the
something
sense
scope
field
electrical
day.
of lines
of
have
They
great
of
to
of
which
have
and
depending
the
younger
in
and
engineer,
created
the
subjects
as
reluctance
the
in
the
ing
involvof
pole pieces.
on
the
electricity,of
interest,
force,
core
are
is
motors
attractive
engines
an
present
which
dynamos
strongly
most
great
distribution
of
of
machines
application
and
is
There
electricity of
of
something
appeals
supplying
dealing
and
manufacturer
uses
where
other
may
It would
manufacture
that
branch
idea
find
castings
variety.
a
Perhaps
the
cells.
separate
as
the
sounders,
batteries
of
question,
In
The
on
branches
case
in
tinfoil, paper,
rubber
or
be
relay magnets
storage
business
a
one
made.
largest pieces produced.
depending
different
as
are
telegraph
of
and
who,
up
ment
depart-
or
separate
will
to
ent
superintend-
room
a
slowly building
tons
twenty
the
one
The
115
manufacturing
to
of
some
industries.
large dynamos
the
refer
may
profession
manufacturing
of
electrician
an
basis.
part of the
CLASSES.
we
or
is
alone,
independent
an
to
factory,
a
himself
on
of
speak
we
electrical
DIFFERENT
OF
shape
terials
ma-
The
of the
116
DYNAMO
pole-pieces
the
work
from
and
affecting
of the
the
inert
the
and
which
lines
in the
of
the
straight
across
pretty
the
force
correctly
is
it
of
ently
appar-
forg-
or
distribution
the
of
toy
them
that
wasted.
Thin
do
Sylvanus
cores
with
P.
a
the
all go
of
of
is
in
of
curves
of
flying
which
be
with
long
the
it
in
small
seems
low
if
pity
emphatic
and
to
to
the
absolutely
permeability
dynamos
is
one
goes
is
sign.
de-
dynamo
a
energy
there
the
inspected,
; and
one
slim
of
made
are
a
still
hopeless.
improvement
gets
of iron
Thompson
force
but
to
motors
large
half
that
sins
ideal
sort
a
it
boys,
of what
most
is
design
for
badly
so
field,and
design
motors
The
about
caught,
for
to
uselessly expended
castings
to
also
one-half
pole-pieces
room
easy
is not
of
chilled
as
where
and
know
we
type
of
of
lines
be
can
of
it is to
as
even
to
thing
some-
action
castings
ideal
attenuated
plenty
seems
making
of the
shape
arching
this
cheaper
quality
For
much
of
never
and
poorest
design
field
pursuit, though
cores
there
the
aerial
the
"
which
when
field
to
useless,
as
Dutchman
But
the
prevention appeal
air-gaps,
lines
maintaining
tempts
taking
or
is
constructor.
the
the
given
energy
its
electrical
field, where
as
to
changing
regulate
and
leakage
dynamo
in
of
armature,
There
poles.
motionless
or
the
of force.
mind
the
the
idea
actually
conduct
Magnetic
the
of
of
by adding
by simply varying
armature
ings
action
the
changed
parts
fascinating
an
is
latter
different
FACTORIES.
MOTOR
AND
have
motors.
in his affirmation
MAGNETIC
of
merits
the
His
of
shapes
which
worthy
of
away
with
the
seem
to
the
It
could
of
is
very
now
does
there
of
in the
in time
trusted
no
made
A
need
at
model
of
a
few
shop
in
of
leakage
efficiency,
in
in
weight
that
of
of
of
of
a
the
would
be
lines
efficient
of
lines.
waste
work
as
and
watches,
regulation
and
such
larger percentage
a
this
does
leakage
convenience,
magnetize
proportion
which
might
be
built
up
may
be
factory.
business
and
dynamos
on
in
suggestion
a
small
a
as
of energy
improvement
larger proportion
less
a
of
gators
investi-
of
increase
ises.
prem-
magnetic
reduction
as
increase
an
the
size, a saving
utilized, so
a
is
Again
in
for
return
reduction
a
right
occupation
The
do
to
reluctance
improving
much
liabilityto
of
this
studied
is
.what
be
and
if
great
very
a
made
the
on
motors.
working
regulation
All
and
metal,
would
force
in
But
accurate
field
found
for
from
freedom
more
as
reduction
a
of
cost
seems
room
not
is
based
been
engineer.
young
been
is
magnets
copper-gap
satisfactory, and
direction.
in
be
imply
is
imply
have
have
and
air-gap
dynamos
not
which
given
the
to
attempts
certainly
circuit
have
different
the
of
account
recommendation
net.
electro-mag-
stumpy
a
investigators
of
not
calls
interesting
Many
do
he
what
very
117
LEAKAGE.
to
which
motors,
to
grow
starting
cents
is not
a
perhaps
can
business
large proportions.
the
foundry"
a
pound
even
be
by
the
necessary
There
castings
regular
; the
can
be
founder.
work
can
118
drawn
of
the
and
be
a
BUSINESSES.
SMALL
and
cores
small
and
board,
give
of
well
is
This, however,
which
has
a
a
found
the
drawingwill
providing
capital
is
needed,
living
can
be
"
of
machines
in
important
taking
the
the
a
in
well
very
at
upon
winding
distribution
out
Little
very
of
way
and
ingenuity
be
can
The
done
cores
work
of construction.
customers
be
worked
for
scope
maker.
can
shape
personal
great
details
armatures
be
can
model
the
to
the
shop,
material
if
sent
if."
beauty
and
made.
It is
word
a
of
out
for
a
many
project.
this
In
with
cheap
with
and
five per
first
:
is
there
going
to
system,
but
aggravation
efforts
may
make
at
the
connections,
of
cause
The
however,
the
by
best
business
reached
of
very
in
of
of
to
give
will
for
the
cases.
the
best
machinery
the
product.
rheostats,
a
ter.
latthat
some
is that
mistakes
other
dynamo
tonic
made
use
improper
good
very
the
probability
high-grade
use
on
which
core
business
of
ninety-
the
on
is in all
he
bitter
the
about
and
running
the
a
production
nullified
be
rather
of
believes
man
thing
a
efficiency
improve
to
magnet
building,
compete
cent,
improving
young
field
a
disappointed;
moral
One
of
to
dynamos
is easy
It
if any
dynamo
be
and
motors
that
follows
five per
perhaps
is little chance
to
speed
of
have
you
efficiency.
cent,
going
Poor
manufacture
motors
revolutionize
may
of
high-class
It
he
line
and
very
making
large
high
perfection.
wrong
mishaps
poor
dynamos
The
ord.
rec-
has,
days
of
multiple
absorbed
and
do
as
mean
and
have
Ideas
few
become
of
to
of
one
which
one
fruitless
the
dynamo
in
much
in
to
of
It is
which
the
work,
design
done
be
the
in the
of
the
attention
out
the
requirements.
A
has
and
small
supply
New
that
per
examples
may
still be
heavy currents,
of
problems
of
will stand
minute
of
the
done.
any
the
to
a
for
are
solved.
un-
reasonable
of
wear
hundred
old-time
carrying
constantly
ones
of
motor
long
profession,
are
old
a
problems
are
parts
outdoor
on
the
in
and
for
things
the
is
There
leakage
branch
low-speed
revolutions
work
of
quantities
gearing
efficiency,
are
to
ment
experi-
conductors,
similar
another
upon
factory
which
best
than
constructions
and
the
up,
heavy
prevention
; these
of
conveyance
problems
but
such
the
calculations.
and
for
as
verge
2000
lead
giving
things
other
insulation
trolley circuit
coming
often
is that
been
have
do
may
dynamo
such
which
world
may
which
of
reason
ginner
be-
gives temptation
which
one
the
for
chance
a
of work.
design.
providing
solving
"
afford
to
seems
electrician
An
the
is in possession
fields
interesting
most
work, the
electricians
to
in
clarified
builder
dynamo
experimentation, temptation
to
trician.
elec-
working
the
to
greatly
the
that
see
in business.
for
builder
dynamo
years.
It is easy
It is
resistance
lessly
use-
Permeance
by.
the
to
and
copper
gone
much
as
conductance
last
have
energy,
reluctance
wasted
involving
cores,
119
MACHINERY.
HIGH-GRADE
ing
reducor
problems
less,
on
120
METERS.
The
of
subject
Much
have
they
have
people
as
more
based
single
on
for
volt
of
much
than
more
the
The
power.
gives
is
for
side
and
lamps
The
to
open
have
meter.
The
In
meter.
Like
measuring
meter,
recording
would
seem
the
or
as
to
a
the
a
far
the
in
improve
article
meter
voltage
desirable
is
would
fell below
thing.
100
getting
energy.
seems
energy
a
the
to
of
in
the
fession
pro-
a
perfect
the
factory
portion
of
of
all branches
the
meter
fell to
evolving
the
tricity,
elec-
existing appliances
supplied.
that
his
as
minds
voltage,
cares
using
electric
that
He
energy
while
in
suffers
energy
hopes
best
improvements
it is hard
for
all
candlehe
potential system
constant
a
the
to
proper
as
vain
succeeded
not
due
voltage
black
metering
itself,in maintaining
for
in
on
improvement.
involves
light.
if the
account
of
system
of
a
takes
meter
watts
metering
on
light,they remaining
some
the
pay
Yet,
go
turned
were
fall of
urable
directly meas-
their
to
energy.
his
of
These
volts, for it makes
rendering
it would
meters
ampere-
buying light,and
required
obscure
concerned,
debtor
is
imperfect
an
nothing
he
the
fall,however,
than
is
gas-meter,
the
a
of
one.
energy.
which
109
less
customer
injusticeif
an
and
at
of
about
percentage
no
burn
1'imps
The
the
between
difference
of
account.
the
But
voltage.
in energy,
indirect
only
of
electric
metering
potential brings
decrease
attractive
an
complain
to
constant
a
is
meters
complained
reason
supplied
are
electric
But
a
true
automatically
a
certain
ergy
encease
minimum,
BEST
122
to
the
leaving
ever
in
do
factories
many
kinds
This
much
have
may
should
determines
in
used
be
their
good
read
is
there
show
that
the
profession
and
the
we
the
worst
of
can
of
but
work
hope
electrical
side.
are
to
who
does
in
erects
of
the
present
with
all
scriptions.
deand
attractive
work,
ing
be-
higher
is
plants
out
this
improve,
up
and
of
wisdom
engineer
puts
ing
ventur-
pointing
manufacturer
outside
and
kinds
kind
each
of
electrical
the
investigation
the
to
field.
out
and
up,
inculcate
chances
railroads
and
interesting,
glimpses
for
than
of
following
to
best
pointing
profession
lines
are
order
the
All
the
worth
lookout
imply
of
there
in
not
of
of
tests
the
was
Simply
branch
well
the
for
exists
electrical
work
factory
best.
that
things
factories
if
as
each
of
on
with
in
role
a
which
necessity
familiar
no
improvement
these
important
so
obvious.
may
to
the
be
to
is
features
side
he
plays
that
engineer
But
He
material
doing
so
work
Laboratory
all
WORK.
qualities.
bad
an
what
in
and
FOR
laboratory.
determining
dynamos,
or
FIELD
best
some
123
XIII.
CHAPTER
erection
the
Engineer.
Constructing
The
plants
of
functions
boilers
"
of
system
plant
generating
the
required
knowledge
general
"
advanced
engines
and
plants
running
its
and
and
practice
THEORY.
One
branch
of
erection
of
engineer's
the
electric
light plants, including
electric
is
energy
in
system
use
outdoors
also
The
and
thorough
lay
with.
as
This
the
work
this
whole
this
of
in
the
includes
now
off
engineer
the
days
the
great
one's
the
the
houses
in
hands,
establishment,
which
and
from
of
ers.
custom-
and
cable
to
design
is
he
concerned
roofs
and
did
departments
electricity
bids
as
The
machinery.
contracting
and
distributing
able
be
buildings
other
when
the
where
conduit
should
plant
the
or
head.
engineer
counter-shafting
fashioned
But
all
cut
and
the
power
station
underground
under
come
in
and
be
may
central
the
generated,
Trolley work,
work
Such
plants.
in
consists
art
old-
all such
unknown.
was
establishments
can
foundation
be
well
asked
to
take
for
the
roof-truss,
CONTRACT
124
from
desk
a
the
opens
the
perhaps
eight-inch
wall
call
are
to
attend
try
to
know
employers
the
pointed
both
But
only
erection
of
be
of
struction
con-
wall,
If
one.
of
and
of
brick-laying
does
Duty
their
you
stations,
contractor
glory.
watch
the
generating
a
for
in
of
intricacies
stone-work,
little
close
exacts
one
and
claim
may
not
a
electrical
to
that
thin
thick
know
civil
a
to
your
operations
on
should
If
ones.
strength
of
up
a
briquettes.
in
contained
him
carried
and
more
far
know
and
are
better
If
this
any
he
for
has
work,
to
very
that
prescribed,
machine
enough
without
to
is
enable
than
he
testing
followed
his
know
to
plumb,
cement
simple
versal
of uni-
enough
constructed,
are
better
Portland
uncivil,
or
common-sense
be
look
engineer
assumption
any
have
civil
But
without
may
joints
electrical
an
engineer.
buildings
wall
mortar
be
to
engineer,
how
readily rig
much
of
and
ignorant
sides.
engineer,
an
then
contractors,
brick
true
Remember-that
knowledge,
have
on
and
part.
your
an
appreciate
the
fun
of
lazily
bids, who
lowest,
two-faced
or
something
for
nothing
the
difficultyinvolved
of
of carpentry.
and
for
asking
engineer, although
yourself
to
who
man
operations
one-faced
a
to
you
the
to
an
unable
If
letters
selects
degrees
of
an
site
himself
relative
the
and
same
abandons
will call
dictates
and
A
dynamo.
to
steam-gauge
sits at
BUILDERS.
the
education
him
prolonged
to
can
the
gestions
sug-
will
do
this
study.
But
do
himself
have
be
to
So
in
the
boilers, it
would
to
as
them.
An
consuming
be
electric
power
agency,
the
coal
the
kinetic
energy
energy
of the
and
electric
of
The
absorption
under
of
pound
such
into
ical
mechan-
the
develops
turn
the
mains
unit.
It
over
devoted
to
potential
the
a
single
one
energy
and
production
has
to
separate
of
kinetic
is
coal
exacts
ends.
go
and
a
The
to
of
to
The
every
must
day's
of
be
one
the
carbon
electric
and
night
ence
superintendthe
secure
distribution
works
day
on
go
is
purpose,
of
superintendence.
question
which
of
energy
into
considered
operation
accurate
in
to
and
This
energy.
be
to
of the
oxygen
every
is
entity
an
"
coal-
converted
in its
sent
giant
a
tions,
sta-
from
parts
chemical
being
This
be
to
of
is but
that
the
distributing system.
plant
thing
and
of
electric
disposition
air
engines.
energy
the
the
the
dynamos,
other
potential
of heat
ing
call-
question,
situation
examine
station
of
oxygen
fession.
pro-
required by
in
and
and
to
as
be
are
engines
to
hints
get
the
wires
well
in this
company.
of counter-shafts
arrangement
so
justly
building
of
cannot
man
everything
may
the
location
the
including
A
ing
suppos-
superintending important
of his
for
plans
of
error
perfectly justified in
in
assistance
protection
the
When
and
of
is
engineer
the
genius.
Special inspectors
for
the
into
knowledge
an
expert
work.
fall
universal
a
profound
a
him
him
let
not
125
CONTRACTORS.
OF
SUPERVISION
saving
labor
parts
of
ble,
possi-
conducive
systematically
ECONOMY
12!3
arranged
that
so
For
the
law
of
but
is
be
sake
of boilers
of
the
ten
is
data
getting good
and
be
station
Yet
of
fewest
cast
not
There
for
points
it is
the
are
if
on
idea
and
in
sea
ready
to
bed-plate
motives
generalities
of
light
tion
sta-
gale,
a
to
ling
tumb-
pieces,
to
ating
gener-
steam
ation.
gener-
it sometimes
can.
of consideration.
for
fancy
in
ployed.
em-
devoted
go
of
it is
are
electric
subject
that
controlling
important
be
a
last
condensation
economy
a
the
pressures
should
that
great
respect.
for
electric
at
low
be-
accommodate
modern
a
engines,
high-speed
cylinder-head
as
be
must
an
ship
feared
be
to
A
give
to
this
the
In
far
cylinders
great
care
about
any
parts,
be
and
able
engines
fad
too
be
steam
To
successive
engines.
rolling
not
A
remarkable.
thought
great
in
use
sion.
expan-
The
water.
rise in
rapid
the
great
greyhounds
ocean
cylinder.
one
to
models
are
the
second
by
theoretically
boiling
prevents
in any
The
of
several
This
should
of
type
The
its terrors
worked
might
inspected,
expansion
all
being precisely beaten,
not
steam
will appear
employed
of
advanced
chosen.
part of
steamships
of
table
water
of
temperature
years
the
is
steam
trans-Atlantic
cheaply
as
oversight
most
be
must
high-pressure
Exhaust
a
the
economy
robbed
being
done
easy.
engines
and
be
can
complete
thermo-dynamics
of very
If
that
so
shall
operations
PRACTICE.
everything
and
possible,
as
STEAM
OF
a
great
one
in
that
engine
an
thing
piece,
buying
apply
to
should
them.
to
all
DEFECTS
these
and
engines,
of.
which
good
of
part
reaches
box
the
which
piston-rod,
the
piston inordinately,
have
The
best
be
to
of the
guarded
and
bad
engine.
bad
piping
other
fects
de-
his service
at
all may
is also
latter
other
and
tant
reluc-
cushions
many
have
may
boilers, and
If the
the
against.
erecting engineer
dynamos
and
these
"
it
stuffing-
which
valves
a
before
force
to
air,
cause
expended
has
steam
setting
a
the
to
tightly packed
a
zance
cogni-
and
steam,
be
to
energy
take
unlagged,
the
throttle-valve,
through
the
wire-draw
its
should
engineer
the
127
PLANT.
cylinder exposed,
A
steam-pipes
STEAM
IN
defective
of
be
the
spoiled by
the
best
features
a
quality,
spoil
may
its
efficiency.
the
In
and
cold
a
for
room
chimney
are
efficiencythe
This
boiler
from
furnace
proper
the
The
water.
favor
the
anything
hoist
system
than
has
the
of
carrying
to
coal.
entirely
boilers
the
heat
be
running
the
and
radiation
by
of
out
hoisted,
Throughout
plants
weigh
ashes, and
arrangement
easy
of
the
of
protection
of
it all
yet
importance.
greatest
coal, weigh
setting
loss
and
destroy
may
fire-box
efficiencythere.
give,
adequate
heat
hot
A
of
signs
may
against
protection
advanced
first
Good
economy.
of the
The
of
of
loss
the
boiler-
plant, the
engineering.
boilers
Want
lost.
be
may
are
is
there
room,
of the
generating part
steam
of
the
ashes
there
to
weigh
the
measure
or
boiler
these
is
plant
must
If
operations.
will
is
be
cheaper
room
for
com-
to
PLANS
128
DETAILS
AND
OF
WORKS.
.
The
mon-sense.
of
sizes
if
this
on
pipes
will
if
non-conducting
of
their
small
all
twice
sectional
the
pipes
your
pipes,
large
service,
cooling
a
good
all
of
perceptible,
quite
hard
very
be
may
to
by
account
on
than
worse
the
here,
of
much
and
you
an
work
so
in
meager
out
a
them
appear
may
in
in
practice.
result
on
paper
of
as
is
and
and
new
yournot
to
wonderful
how
is
work
thought
some
It
it
the
on
of
obtained,
out.
possibly
engineering,
all
deal
great
wonders.
be
advance
an
involved
be
carrying
idea
A
do'
will
in
as
of
planning
will
work
good
your
make
and
judgment
strong
but
may
expense
details
of
predecessors.
your
ideas,
may
the
improvement
an
protect
arrangement
effect
The
well
the
works
the
of
not
accepted
ones.
In
of
do
the
be
of
pipes
use
covers,
larger
will
plan
you
disclose
may
your
;
you
But
area.
books
tify
jushow
poorly
it
130
COMPLAINTS
but
classes,
he
with
the
little,he
total
is
of
robbing
of
will
in
touch
wrong.
His
for
works
the
public
been
or
as
the
case
will
a
very
will be
in
flected
re-
ation
fluctu-
a
gas
is,and
company
complaints
These
or
will
complaints
that
so
in
things
as
will
nature
will be
he
long
as
they
find
go
good
a
if
practical application
the
run.
in
the
at
works
from.
for
weak
whence
gives
have
the
by
So,
they
if you
If
is taken
for
ever
amuse
conductors
mysterious
never
now
shocks.
accident
some
have
not
on
take
bills rendered
something
bills.
to
the
way,
do
spots
smoothly
go
They
electricity. They
frames
accept
but
engineer,
with
way
little heard
be
correct,
of
falls
them
from
the
public,
operations
the
as
of
human
by searching
to
and
immense
an
district
the
engineer,
of
well
They
learned
of
light
engines
the
know
and
filament
carbon
of
area
the
course
inter-
complaints
voltage
hear
in
speed
his
study
arc-lamp
on
the
of
to
trouble.
with
educated
themselves
their
electric
an
and
apt
office
the
to
not
long
customers
customers
their
of
exercise
are
As
the
case
on
constant
field
the
and
If
be
will wend
they
passed
direct
public, as
charge
never
may
where
write
less
lights.
public
thither
be
the
know
will
entire
the
over
of
or
by him,
the
will
variation
A
soon.
The
is in his
light,and
more
him.
reach
station
power
a
The
served
are
later
or
has
public.
company,
sooner
also
the
CUSTOMERS.
OF
osophica
phil-
process
electric
would
reach
a
vice
ser-
do
the
in
point
MEETING
of
having
station
a
keeping
and
potential
the
in
trouble
if
But
Here
is
accepted
does
have
them.
he
who
are
most
due
useful.
worth
in
is
prerogatives,
tary
secre-
who
general
place
complain-
the
statement
dealt
with,
But
there
will
technical
of
to
impressed
such
knowledge.
They
have
is
But
necessary
and
because
a
also
more
knows
and
own
are
men
would
is very
them
men
knowledge
its range
man
a
their
Such
and
a
be
work,
with
detailed
keep
is not
workmen,
valuable,
to
which
electric
unduly
to
possessing.
therefore
the
tomers,
cus-
technical
own
be
handling
things, which
certain
to
matter.
perhaps
superiority
the
the
in the
answer
slight knowledge
a
his
is
and
company
himself
a
turneth
to
the
of
light
would
he
have
task
have
the
met.
of
meets
measures
of
no
be
must
answer
never
as
have
complainer,
put
impart
men"
troublesome
in
can
difficult
very
him
output
treatment
soft
A
shape,
question.
official in
Laboring
"
dictate
Let
how
see
Then
the
by
engineer
to
official,and
ers.
polite
A
representative
other
knowledge
complaints
apply.
the
If
may
meet
of the
who
the
apology.
an
as
he
or
wrong,
appreciated
wrath."
away
public.
good
the
a
served.
should
you
the
will
courtesy
complaint
the
go
in
regulate
to
men
be
to
belts
current,
or
pleasing
things
and
will find
you
customers
engines
your
131
charge,
your
of
set
by selecting good
to
a
in
put
well-trained
pretty
By
COMPLAINTS.
of
well
be
limited.
within
just
It
their
how
to
132
PRACTICAL
humor
counselor
in
the
work
may
superintendent
begin
may
does
and
so
the
of
education
and
kind
manager.
has
a
the
however
individual
remedied.
and
met
described
or
the
cadets
applies
or
army
the
in
Mechanical
a
great
plant.
energy
simple
electrical
best
the
same
is
sort
the
students.
officers
navy
should
of
in the
But
have
of
should
of
the
designation
is true
making
in
is
quickly
industry
or
men
younger
the
worked
the
be
best
tric
elec-
aged,
encour-
of
grade
managers.
and
work
of
is
everything
and
its
rules
will
generation
the
cover
problems.
But
will
engineering
steam
part of the
While
the
is the
them
and
engineers
and
The
industry.
for
of
ranks,
college
to
some
navy
from
better
he
they
it
As
a
that
extent
of
tailed
de-
best
which
company
simile
the
Perhaps
same.
in
he
other
the
find
soon
electric
the
cadets,
the
make
students.
encourage
its
has
army
have
up
should
Such
trouble
Any
electric
An
If
spoken.
upon
slight
cases.
ranks.
this
will
will
men
tion
sta-
obtain
possesses
precise knowledge
same
own
he
enough,
The
pride themselves,
their
will
have
practical life,if
the
position.
he
we
as
of
position
from
lowest
up,
which
of
the
to
promotion
works
accepted
station.
a
up
very'
gradually
qualities
of
by
at
knowledge
graduate
of
be
not
must
operations
man
young
He
he
refractory lamp,
a
A
EDUCATION.
the
the
of
superintendent
subordinate
and
constitute
to
electric
distribution,
ground
engines
of
must
a
most
run
a
few
of
the
with
exact
regularity;
utmost
skill,and
delivered,
reckoned
reckoning
station
the
by
the
"
proportion
to
reckoned
business
A
down
and
for
for
paid
for
is
of
this
burned
in
criterion
of
bution
distri-
the
coal
is deduced
and
generating
will
soon
burned
the
total
distributing
plant
to
a
or
the
grasp
will
to
will
president
good
pounds
paid
figuring
He
customer.
the
is
figure
units
efficient
the
watts
man
is
coal
much
the
other
energy
unit.
little
A
while
drop
from
the
a
as
the
terion
cri-
the
electric
gives
how
gives
The
the
in all. The
ashes
doing.
economy,
the
of
and
in watts,
average
Then
efficiency
is
that
with
managed
obtained
be
water
tell
efficiency.
A
coal,
customers
be
must
must
economy
work
of the
boilers
the
of
registry
exact
133
EFFICIENCY.
PLANT
him
enable
extract
similar
executive
officer
exact
ities.
general-
to
of
account
from
labor
a
figures.
hold
will
how
see
dollar
one
easily get
very
above
an
gineer
en-
expenditures
results.
In
and
successful
the
distributing plant
engineering
done
and
to
be
in
the
shapes
to
and
run
with
The
factory.
is
smoothly.
as
the
required
some
in
;
quality
tions
calcula-
they
their
of
station
electrical
The
simple
all
But
of
indefinable
dynamos
are
generating
knowledge
and
embody
core
a
that
few
are
"bugs,"
of
full
ability
made
of
a
instruments
measuring
ought
combined
executive
termed
wrong,
conduct
all
are
windings
them.
The
standardized.
sometimes
telegraphers
All
things
named
go
them,
THE
134
have
located
be
to
SUPERINTENDENT'S
that
evident
and
of.
To
of
knowledge
with
required, together
rid
got
thorough
a
WORK.
certain
a
it is
this
do
the
is
subject
instinct
of
amount
intuitiveness.
or
The
obtained
best
from
graduating
the
in
make
and
into
merits
that,
while
pass,
the
the
his
of
This
is
is far
ship, and
from
very
its
If
a
high
abilities
hand
then
there
and
required
are
it.
is not
There
superintendent
dynamo
will
have
of
than
to
nothing
can
supplies
hardly
is
machinery
in
the
find
to
to
is captain
is supreme.
the
position
to
ning
run-
annoying
an
is
no
in
ing
superintend-
specify
to
do
the
leave
wanted,
pretense
its
capacity
its
receives
ready-made
the
mark
to
more
with
of
the
occasion
least
have
to
He
peculiarities.
way
and
your
come
plant gets
A
now
accident,
or
Yet
If
happening.
limits
own
one.
with
clock,
apt
of not
feature.
high
a
be
superintendent
his
within
electric
new
station
He
the
and
always
not
to
studies.
luck
will
way
But
operations.
supplies
new
great
a
pleasant
a
being
break-down
that
does
by
while
worth
by good
unexpected
has
suggested,
it in one's
you
is
position
employes.
rarely
to
management
always
like
it is
position,
a
expected
station
of
stumble
to
such
station
ranks
reference
expect
this
already
means
education
special
any
In
the
general
do
you
the
by
for
needed
preparation
for
design
a
constants.
or
ural
struct-
everything
in
condition,
and
his
the
about
say
or
factory
the
his
individuality
FACTORY
THE
upon
collection
a
subordination
of
if
the
the
outcome
growth
than
is
a
of
spoken
science
supplying
factory
of
years
in
the
the
work
species
to
of
Their
of
has
in
dynamo
is
it
full
the
of
these
possible
quite
the
;
itself
that
designed
sense
them
guided
life,
the
largely
the
place
by
the
rapidly
being
engineer.
But
is
experiences
in
of
out
engineer,
constructing
by
is
is
station
modern
the
apprenticeship
predecessors.
The
of
from
are
described
jealousy
processes
differentiated
both
and
trical
elec-
modern
the
availing
is
feeling
the
of
years
of
study,
deprecated.
be
selective
and
is
made.
dynamos
and
The
and
trials
invention,
creators
one
no
commercial
any
numerous
dynamos
and
factory
The
of
the
are
seems
brains.
that
unjust.
seems
times
some-
it
when
aspect,
the
an
feeling
a
feeling
which
remembered
be
tion
origina-
often
is
factory,
supplied
should
dynamo
rather
the
135
whose
There
unpleasant
an
factory
it
But
with
do.
to
to
assumes
as
machinery
of
nothing
had
he
STATION.
THE
AND
of
lives
others.
of
their
136
CHAPTER
XV.
Inventing.
should.
become
one
successful
a
as
as
well
practicing
?
the
effectuallythat
one,
his
For
his
finally,who
own
too
ent
pat-
"
claims
"
"
invention
?
and
patents
Should
an
and
patent
all
remove
patent
engineer
his
prejudice
who
one
he
and
or
tions
invenanswer
does
achievement,
often
sanguine,
distinguishes
and
studied
has
or
not
for
the
inventor
and
imbued
things
an
is
with
a
the
inventor
one-sided
a
is
sense
case
so
probable
under
it,
worth
of
is
and
of
tween
be-
genius
his
made
overestimate
such
the
up
there
whether
knows
patent
who
one
construction
of
ingenuity
for
elty
nov-
dispassionately.
invention,
market
taken
caveats
invent
to
be
tions
inven-
requisite
with
qualified inventor,
the
of
electrician
question
The
of
inventions
It is hard
to
and
conversant
one
useless
originality
date
about
say
view
patents
establishing
can
and
practical
suits
What
construction
useful
the
tutes
consti-
what
"
invention
invention
and
law
inventor?
an
a
rarity.
fully
dread-
his
own
COMMERCIAL
138
is shadowed
The
in
forth
question
next
invention.
your
and
The
commercial
estimated.
Such
of
would
their
periods
Before
expending
men.
invention
the
their
But
same
the
question
properly by yourself
affirmativelyin
attention
due
will be after
of
ingenuity
as
be
the
not
to
Mere
effect
The
for
beauty
practical
invent
The
work.
of
be
the
will
whole
was
central
be
with
do
inventing.
answered
wish
to.
will
have
invention,
looked
vention
in-
an
A
a
ing
striv-
The
mere
"
down
complex
most
to
be
can
an
upon
answered
of
indicated
genius
will
business
to
all you
your
hidden
after
what
and
capable
are
upon
them
what
questions
two
subsidiary
invention.
need
if you
It
and
acute
asked
be
must
tions
func-
completing
know
requisites
point.
the
After
and
the
thought
tell
would
judged
before
of
and
by
inventor.
an
services
case,
the
the
both
time
construction
considered
public
the
your
restricting
very
the
to
had
would
ally
that
of
they
astray
within
than
market.
a
the
Assuming
the
associate
for
prospect
it.
man
inventive
be
with
do
answered
led
must
is rather
if inventors
well
be
be
not
you
have
it, or
must
market
operation
business
a
be
must
you
will
you
want
This
Can
"
invention?
what
to
?
case
and
public
better
already something
hope.
supposed
refers
the
Do
dispassionately,
the
construction
between
distinguish
ASPECTvS.
upon
designs
idea, which
subsidiary
to
will
is
the
it.
of
view
conception
taken
of
will
be
anything
put
aside
tempting
and
to
in-
UTILITY.
utility of
The
vention.
and
considered
duly
expended
are
inventing,
it should
"
but
achievement,
stands
and
of
of
of
love
a
the
practical
a
latter
than
of
make
to
investigation
tion
consideraideal
The
case.
and
novel
from
on
any
ically
theoret-
and
ideal
the
"
original,
Invention
original
discoveries,
important
make
is
scientific
entered
the
in
glory
a
one.
without
be
thought
no
as
do
be
may
and
knowledge
scientist
to
regarded
practical aspect
pure
is
as
and
is
There
plane
The
discovery.
pure
only
another
upon
it.
be
not
time
before
weighed
will
thing
proposed
a
inventing
on
139
of
or
invent-
an
practically
able
valu-
inventions.
Thus
the
probably
a
profession.
view.
If
The
do
you
The
money
derived
bud
novel.
ordeal
a
business
be
is
by
"
your
of
the
success
this
for
work
emoluments
from
right
of
laboring
end
have
to
in
in
invent.
prepared
for
disappointment.
first to
the
have
Great
other
so,
showing
you
a
the
he
do
can
be
may
trodden
the
making
invent,
What
have
If
for
Office
Patent
not
may
regard
if you
of
readers
lofty
perhaps
the
money,
the
legitimately, and
in the
but
for
due
Therefore,
invention.
of
majority
The
it is earned
strives
less
a
upon
scientist,and
pure
one
stand
to
seems
the
The
so.
glory.
have
does
than
plane
does
inventor
the
an
nip
anticipation
invented
minds
leap,"
before
path
may
Patent
out
be
of
your
original
some
one
you.
Office
of
and
tions
aspira-
your
your
is
passed,
patent
the
is
a
PATENT
140
difficult
and
task,
will
who
time
the
for
The
of
have
yourself
to
invalid
It is
of
in
drawing
avenue
this
regard.
Hence
a
relief
the
Court,
have
to
for
fringeme
inhas
perhaps
limited
patent,
is
have
that
that
be
to
depends
on
the
should
attorney
His
talent
should
in
will
which
should
not
in
employed
having
one
lie
stand
in
an
tion
examina-
simply
through
shape
any
the
claims.
be
suits.
he
courts,
inventors
for
open
be
"
cient
it insuffi-
The
help.
bad
virtually estopped
was
claims
scope
A
give
may
no
the
claims.
its
by
a
up
laws
should
courts,
suits.
patent
He
up
invention
the
success.
you
patent.
in law
the
and
patent
our
competent
draw
ability to
by
to
may
suing
required,
of
patent
you
others
Everything
the
out
experience
your
or
decisions,
of
one
in
bring,
this there
For
re-issue
take
to
him
man
a
on
of
wanted,
worthless.
is
claims.
in the
that
of
anomaly
an
attorney,
to
and
invention
an
be
adjudication
undergo
declared
may
is
of
role
gether
alto-
justify
to
invention
your
against
Money
the
up
is
man
invention
taking
be
may
you
business
your
pushing
may
you
defend
in
ordeal
next
These
in
being
and
idea
one
active
An
enough
see
which
for
one
unfitted.
SUITS.
try
the
to
get
Patent
Office.
Do
a
take
not
thing
dollars
agreement
as
you
out
our
pay
that
a
caveat.
the
it
Patent
is about
provides.
government
for
This
you
get
Office
as
For
nothing
authorities
useless
the
ten
except
an
are
to
CAVEAT
inform
if
you
If
do
they
the
losing
date
of
you
at
in
nothing
When
an
invention.
one
needed
suits.
is
or
and
this
sketch
witnesses
two
in
the
for
kept
secret,
and
the
of
on
you
indefinite
an
operation
spent
money
and
date,
alive
patent,
a
first
getting
do
caveat
a
a
direction.
invention
A
in
invested
Time
patent.
is
your
for
important
application
Your
spent
money
this
perhaps,
establishing
apply
you
application
your
period.
if
If
useless.
patent,
a
in
the
information,
is
for
for
patent
a
caveat
apply
But
141
such
months
establish
once
keep
can
of
application.
give
your
you
you,
advantage
for
to
and
inform
so
fail
they
nothing,
do
can
you
APPLICATION.
applies
one
any
thing.
same
PATENT
AND
interference
is
dated,
is
fix
made,
signed
excellent
proceedings
at
by
the
once
yourself
proof.
It
or
in
date
of
and
by
may
patent
be
142
CHAPTER
XVI.
Original
qualifications
writing
The
Be
"
work.
The
not
seem
No
live
of
up
combination
borne
such
be
years
just
men
niferous
in
as
proportion
those
ether
is it useless
and
and
as
evolve
improper
is
of
for
those
for
successor.
and
of
chanical
me-
will
investigate
theories
rare
a
in the
use
name
any
than
and
is in
it is useful
to
do.
son's
Thom-
sure,
His
that
mentioned
to
fruit
theorizer
apparatus
uneclipsed by
insight,
William
be
of
the-
and
they really
Sir
science.
be
gospel
a
practical
mathematical
the
by
proper
latter, to
in
follows.
everything
ideal, but
and
His
of
in
more
The
the
operations
But
"
life should
without
mathematics
of
one's
mathematicians
this
constructor.
many
results
contained
is
guided
be
those
to
has
Maxwell's
book
Every
abstruse
investigations.
finer
of
this, failure
eyes
work
man's
Clerk
the
to
this
life should
most
orizers, in
of
practical.
it fails in
as
scientific
The
publication
"
lesson
primary
and
theoriz-
papers.
words
so,
research
incompetent
theorizing
originality
ers
original
for
required
useless
two
Investigation.
for
proper
the
lumi-
electricity,so
unqualified
by
146
ORIGINAL
acquaintances
your
in
working
which
we
why
reason
ourselves
what
disposition
a
the
Somewhat
the
to
is
sider
con-
the
surpass
tell
considered
so
mankind
one
covered.
files
apparently
advisable
to
that
how
for
journals, to
anticipated.
our
determine
ideas
the
it
independent
is
has
all
its
find
to
forgotten.
are
it
entered,
the
whether
inventors
buried
are
to
files
of
in
might
by
this
that
been
in
away
books
an
be
and
electrical
have
have
new
often
some
his ideas
you
When
would
look
vestigat
in-
elty.
nova
has
records
on
profession.
particular ground
Mortification
best
chemistry,
distrust
much
investigator
through
of
fully
truth-
done
and
is
who
men
original things
But
for
person
been
the
field
the
of
said
hard
So
any
journal
new
run
of
a
be
is better.
Sometimes
of
of
mine
deter-
to
fruitless
beasts
at
away
in science.
to
a
nothing
evolve
hopeless
part
such
know
may
astonishing
work
it is ten
marks
to
same
one's
any
unclean
Nothing
to.
It is
some
is almost
There
to
theorizers,
they
Work
of
is
proceed
next
are
electricity,
also
of
and
slow
to
and
is
almost
on
that
say
who
the
world
Incompetent
will
line
be
destined
the
electricity
avoidance.
wish
known
are
Electricity
should
we
You
gravitation.
as
ones
of
is
much.
particular subject
what
and
little
life.
electricityis.
This
that
the
intellects
greatest
which
mystery
a
in
mission
know
never
great
more
of
THEORIES.
AND
your
field
a
may
as
the
WORK
been
course.
not
been
spared
Thou-
IMPROVEMENTS.
MECHANICAL
sands
workers
of
against
are
your
of
Napoleons
Many,
anything
those
could
say
clubs
the
of
chances
so-called
The
new.
like
we
investigations
the
and
you,
finance,
times
some-
ends.
wish
remember
of
doing
evil
we
Pickwick
preceded
science,
to
come
have
147
of
sometimes
are
all, of
readers
our
Pickwick
the
still found
in
Club.
the
world
science.
practical, every-day
In
in
or
little
But
mechanics
of
It
lead
may
mind
useful
the
footsteps
would
he
his
to
should
and
in
practice
mankind
publication
the
of
submitting
by
commend
it.
be
A
putting
But
exercised.
the
one's
one's
what
he
self
self
greatest
in
to
has
the
print
discretion
are
neer's
engihim
in
always
it is
ficult
dif-
very
footsteps.
tolerably
been
tain
cer-
it
done,
should
man
young
of
has
the
make
trod
is
aged.
encour-
results
to
But
what
be
gives
he
something
published.
be
this
by leaving those
work,
novel
be
Yet
goes
if
be
by original work,
When
it
predecessors.
gain anything
to
must
than
of
and
"
and
flexibility,
more
more
valued,
the
its
"
cesses
pro-
established
should
something,
to
and
easily weighed
early
experimenting
independent
of
many
selective
supplant.
to
be
tion
sta-
themselves.
the
generally
difficult
will
suggest
that
have
methods
of
use
found
be
electric
an
there
will
which
it will
trial
about
manufactory
improvements
on
line
electric
an
work
start
The
done.
of
judgment
has
and
much
to
caution
Be
before
paper
qualified
men
feel
may
that
journal,
it may
be
a
But
if
long
time
will
you
What
has
been
as
evolve
to
electricity
will
until
for
of
good
a
tice.
pracit will
when
point
a
its
severe
profession,
inculcate
to
well
as
as
caution
for
why
that
do
subject
a
falls
apple
an
of
brain,
your
recondite
so
tell
can
you
more
and
exercise
to
theory
a
still
reach
sake
want
for
work.
your
own
your
do
the
then
editor
the
a
is intended
said
If you
try
in
you
publish
for
it to
to
you
received,
discipline
good
tear
established
undergo
before
to
others.
is
is
of
audience
to
well
submit
self-educated
care
theorizing
not
this
All
chance
basis
Read
society.
small
a
seems
some
you
criticism.
the
say
When
publication.
scientific
you
that
so
have
may
RESEARCHES.
engineering
an
them,
If what
pieces.
you
of
member
a
your
in
OF
PUBLICATION
148
to
earth.
You
rule
golden
of
A
to
enough
do
Dictionary
have
find
words,
But
even
simple.
but
construction,
say
confusion
do
"
and
say
of
it
there
is
ordinary, every-day
for
addition
from
words,
not
try
all
you
is aside
Simply
yourself.
something
purposes
your
In
know
paper,
big enough,
not
was
like
that
invent
not
a
words
In
expression.
technical
of
For
Be
"
will
you
write
you
composition.
about
nor
before
must,
avoid
"
to
the
all
write
think
use
tion.
ques-
Century
ties
singulari-
like
out
poses
purto
main
the
if
as
lish
Eng-
ordinary
will have
one
Carlyle
what
you
simply.
statement
indicates
a
confusion
of
149
WRITING.
ideas.
Let
that
prove
mind
your
is
in
order.
good
There
is
writing
our
should
ideas
do
you
simple
into
avoided.
Do
not
is
adjective
it
This
but
is
When
Your
proof
rule
feel
you
is
the
treatise
no
good
one
satisfaction
of
its
bad
then
with
quality.
of
and
which
and
writing
;
you
nouns
noun,
case."
composition,
It
it
is
have
you
let
put,
own
also
the
omitted.
remorselessly
your
of
use
enemy
rhetoric
well
and
the
by
be
tences.
sen-
must
number
well
put
adjectives
many
ciety
so-
and
long
too
gender,
something
fine
and
day,
on
cannot
that
unusually
next
it in
a
Then
sentences
greatest
with
agrees
defined.
expression
the
for
us
high
thoughts
your
short
too
use
of
strength
secure
though
of
is
anything
Avoid
language.
jerkiness
The
"The
well
to
express
language
write
have
and
to
possible
to
into
anything
Merely
best
propose
clear
very
them
the
publication,
for
or
will
in
putting
done.
be
thoughts
If
art.
in
difficulty
great
it
as
own
be
writings
your
ten
writ-
stand
scratch
is
until
it
a
this
out.
strong
:
150
CHAPTER
XVII.
Success.
the
race
for
for
money
which
we
the
"
takes
perhaps
him
help
account
low
very
of
did
point
examines
life
out
ideal
is
out, and
more
or
it.
conditions
make
thins
longer
royal
less
in
the
Still
road
fortunes,
of
some
contented
race,
the
to
of the
things.
its
that
it
and
life
world,
members
devote
dropping-out
all
be
the
the
day,
he
will find
on
the
division
drop
Others
their
continues
a
cumstance
cirif it
if
For
start
this
is desired,
would
fortune.
Many
but
of
he
does
money
mediocrity.
and
what
will
it
that
efforts, under
our
professional
different
to
simply
man.
young
But
created,
for
the
a
the
seek
men
win
it is
recommendation
poor
in
If
?
tractors
con-
"
workmen.
hoping
end.
ing
deal-
"
cliques
ambitious
book
coveted
success
a
and
the
and
man
"
this
up
the
to
business
rings
of
esty
hon-
directors
the
goal
end
and
over-scrupulousness
is the
the
honor
"
element
vanity
"
Success
life
adapted
officers
with
He
are
human
executive
nobler
the
one
that
race
rapidly
out
into
continue
energies
as
to
weari-
THE
those
seizes
ness
continue.
behind
leave
them
still
tread-mill
that
be
have
of
the
suffer
is
The
pleasant
of
of
the
"
of
the
where
off, and
they
have
So
much
Theirs
a
"
to, is
is not
troubles
be
not
work,
termed
made,
of
pected
ex-
look
ocrity,
medi-
back
on
the
on
starting
scene
at
are
seen
the
in
is
w7here
bad,
is
the
umphs
tri-
with
the
"
up
the
scenes
ning
thin-
constantly
give
only
is not
race
contrast
as
crowd
to
whom
too,
led
will
and
well
and
come
which
Such
but
"
and
there
a
this
the
is
because
in
is the
which
behind
refinement
life shows
good
everything.
nobler
a
employed
leaves
of
is
money
only contest;
but
their
end
for
making.
money
on
the
thirst
the
inspiring.
not
honesty,
honor.
of
competitors
those
life,,
rightly
which
evils
the
selfishness
for success,
race
true
of
the
for
and
is
ing
havof
contentment
defeat,
it
they
losers, never
based
crowd
selfishness
road
of
success
disappointments
along
enjoyment
a
The
rich, and,
the
The
on
level.
grow
of
picture
the
one,
the
and
struggle.
for
vision
from
even
miseries
mild
a
and
money
a
the
life of fruitless
This
all
and
takes
stepping
few,
wealth.
rest
few-
cess,
ill-suc-
of
spite
grind,
them
very
got
their
accepted
a
are
in
who,
weary
raises
they
hoped,
out
the
at
never
and
winners,
to
keep
the
ideal,
their
approach
to
and
advance,
separation presently
a
division
a
151
LIFE.
no
these
begin
few
A
make
who
Among
place.
OF
RACE
of
success
a
"
a
race
life
fortune
it
a
of
done
a
into
may
memory
honesty
to
the
152
INSPIRATIONS.
world
its administration
in
in
good
its
Eliot's
George
of
them
the
to
discoveries
useful
the
to
public
as
in
the
soon
as
made.
of
their
are
Perhaps
those
have
who
the
ambition
If
and
for
if he
for
designed
the
him,
is
ployed
em-
making
of
comfort
a
and
to
his
"
of
and
tiousness
conscien-
book
Maxwell
This
or
has
it out, he
carry
will
be
in
iam
Will-
a
seized
is not
modest
success
will
implied
success
ambition
is written.
this
whom
the
this
Clerk
a
such
is able
read
ideal
becoming
Thomson.
one,
who
high
the
of
are
foundation-stones.
among
some
in
laboriousness
inspiration. Energy,
an
ing
engineer-
announcement
lives
such
of
laborers
profession
and
contemplation
The
of
numbers
done
good
"
on
in
Garth
"
carrying
"
ness,"
busi-
"
to
Caleb
Middlemarch
proper
done
knowledge
devotion
character
"
which
good
the
novel
in
works
"
in
in the
individuals
of
conception
pictured
as
to
high
scientific
of
any
the
one
is not
work
depend
not
on
author.
there
Finally
rational
who
wish
who
do
So
make
to
it appears
failures
by
man
to
that
the
in
come
failures
the
their
aspire
not
in
end
find
to
a
existence,
and
in
the
profession,
and
living
honors.
the
beginning
in
have
they
choosing
hope
for
from
choose
simply
struggle
great
choosing
might
who
many
in
chance
classified
A
are
the
to
view.
ends,
wrong
methods
wrong
Le
a
men
high
can
The
"
for
be
sad
the
inal
crim-
any
end.
jumper,
and
154
believe
and
that
as
some
for
with
relations
will
you
laborers
find
rings
and
among
on
manufacturers
humanity
Human
an
of
this
would
have
you
tion
voli-
any
with
contact
their
criticise
to
such
different
of
is
be
types
that
the
kept
appear
to
selling
be
to,
has
of
see
look
to
no
reference
on
lutely
absopossess
president
be
to
its standard
that
an
know
is not
may
up
versant
con-
while
But
the
a
you
should
company
to
to
logical, it
business
not
should
in.
deals
merchant
factory,
up
merchant
a
he
The
while
seem
may
For
president
as
works,
an
as
solve.
to
established
matters,
the
recognized
have
be
manufacturing
product
The
alike, and
in
come
you
article
that
knowledge.
trade.
wealthy
cliques, without
with
with
deal
the
among
must
to
seem
the
requisite
perfection
business
superintendence.
day-laborers
deal
electrical
something
the
have
your
manufacturing
It will
electric
to
perhaps
man
anomaly.
an
will
problem
business
with
such
you
therefore
the
electric
its face
corporations
and
will
your
?
in
wealthy
of
directors
You
some
regards
as
with
their
you
nature
element
of
can
given
cliques
the
and
How
work.
and
part.
your
honestly
engineer
servant
under
with
up
be
the
engineer
foremen
mixed
be
and
electrical
may
As
and
directors
may
success
As
will
You
and
intercourse
executives.
hard
success.
men.
have
work
really
electrician
an
maxims
few
will
you
make
not
But
of
NATURE.
HUMAN
new
avenues
to
volts
of
sell
of
of
and
amperes,
the
"
by engaging
standard
whom
one
superintendent,
of
of
electricity, and
science
the
the
purchased,
of
the
due
are
it is
not
try
his
of
them,
he
free
criticism
wishes
engineer
in
pride
will be
found
to
and
a
honor
business
rather
to
Often
way
of
risky
in
his
dealing
mos
dyna-
so
does
products
who
he
will get
trouble.
or
in his
from
use
of
buy
his
of the
complaints
superintendent
stoop
with
and
and
criticise
is
and
him,
this
erties
prop-
realizes
the
cost
shape
wire
the
He
not,
or
to
business.
in
men
merciless
to
The
the
those
by
it
upon
as
of
into
that
the
mean,
him,
feels
in the
if
in
dynamos,
or
unsparing
impose
very
for
adequately
Therefore,
customers.
are
without
him
knows
magnetic
goes
wants
will be
reaching
what
He
he
cannot
he
the
criticised
opinion
that
what
thought
it.
whether
expert
the
ter
mat-
a
shows
common-sense.
be
will
knowledge,
own
with
grapple
that,
Knowing
to
of
order
factory
so
of
is
he
qualities
reluctance,
as
strong
new
a
to
of
lots
to
in
ble
capa-
a
superintendent.
electrical
indifference
apparent
that
such
his
be
less
he
used
it to
ignorance
iron,
The
of
care
country
new
up
takes
to
interest
less
in the
interest
understands
materials
flattering is
of
he
traveling.
the
in the
and
more
want
of
and
advertising
perfection
he
of
looking
"
155
MANAGER.
BUSINESS
THE
this
Active
country
so
ing
want-
it
course,
and
apt
are
or
cessful
suc-
to
be
dinate
subor-
transgressors
them.
men
of
throwing
this
aside
character
as
of
no
have
interest
an
aggravating
all
that
does
DETAILS
156
be
must
apt
his
has
that
good
are
barren
to
nothing
on
boast
to
lie in another
The
by
So
of
enterprises
into
will
take
in
a
to
of
care
has
disinclination
Sometimes
of
spoil
him
for
the
in
interests,
great
the
if
themselves
would
their
them,
they
that
lead
feeling
themselves,
that
is
to
of
did
glect
ne-
Your
give
the
go
the
to
department.
disposition
and
minutiae
fear
would
so
organizers
great
into
business
a
your
ities
generalwhat
exactly
is
in business.
nature
a
an
look
in
ties
special-
electrician
man
details,and
attention
wanted
Human
for
and
a
doing
things
down
yours.
details,and
at
as
abilities.
look
to
abilities
deal
to
and
conceited
so
try
upon
distrust
important
fondness
not
from
who
attempt
an
principal
not
those
would
who
of
very
"
things
electricity is probably
make
disposition
no
of
; his
respect
manufacturing
result
man
probably
with
look
man.
things,
Do
direction
would
have
of.
qualities which
very
nature
who
of
he
farads
business
high
are
that
in
are
be
terests
in-
you
realize
as
not
of
merit
non-professional
a
mind
your
special knowledge
little
Your
If
is interested
he
all, do
the
underestimate
to
Commercial
to.
president,
a
Above
his.
to
peculiarity
selfishness.
that
"
as
henries
such
points,
This
yielded
engender
to
under
engineer
an
and
recognized
are
business.
their
directly affect
not
GENERALITIES.
AND
company,
a
whose
its
to
vanity,
and
acknowledge
business
life
manager
has
been
it is often
our
or
spent
own
other
in
fest
mani-
ance.
ignorofficer
mercan-
INDEPENDENCE
tile
after
the
than
little he
how
vanity by pointing
him
lead
to
with
disputes
will
such,
So
nothing
in the
show
to
what
with
person,
temper
be
the
power
hard
too
of
on
being
will
that
of
rather
be
a
induce
to
hard
very
in
another
a
of
such
a
case
not
get
own
cific
spe-
and
are
pretentious
may
and
do
him
give
you.
such
by
and
courtesy
careful
be
do
lamb,
position
sacrificed
matter
rior.
supe-
If you
very
upon
and
necessary,
shorn
the
His
him.
to
one
be
way
Avoid
your
know.
a
try
good,
your
if
you
to
wind
is not
Independence
It may
much
appears
the
and
background
how
it.
no
keep
to
to
His
little,and
a
try
;
do
you
nature
discussion
dealing
not
between
tell
enough
stand
will
such
innocent
let you.
will
if he
disputes
human
study
knowledge
do
him
will
worse
to
his
It is
he
as
trouble
fruitless
into
far
"
always
errors.
partment
de-
must
offend
to
or
is far
How
necessary
his
out
for
make
only
not
business
This
concern.
knows,
right, as
smoothed
be
may
is
It
?
electrician
an
in the
weeks
even
as
pose
first described.
case
with
person
or
to
electrical
an
other
dealt
undertake
months
few
a
of
be
will
pursuits,
157
CONSIDERATION.
AND
not
to
the
as
course.
a
kindness
hurt
the
ings
feel-
one
pictured
above.
Companies
board
of
discuss
often
directors
its
for
the
are
directors
meet
from
and
conduct.
who
to
who
affairs,
its
supposed
direct
pass
While
the
be
managed
time
resolutions
they
company,
to
by
time
as
nominally
usually
a
to
quired
reare
there
DIRECTORS.
158
is
one
of
either
person,
the
the
practically
fond
often
concern,
of
of
profitably study
human
works
some
where
that
be
to
a
in the
directors
their
tell you
Thompson
of
Rayleigh,
of the
Unfortunately
in
there
are
there
is
to
strong
a
superintendent
he
will
efforts
loss
between
of
be
to
his
apt
please
who
drawn
the
to
both
position.
please
If he
the
and
"
as
to
put
in
paths
if he
and
the
takes
the
sides
If
mastery,
engineer
fight, he
one
it.
help
can
if the
nether
are
ent
superintend-
or
obtain
to
into
sides,
masters
sometimes
possibly
try
no
sion
profes-
whose
engineer
upper
ability in
field.
probability that,
is
standing
tell you
not
rings
if he
ance.
intoler-
of your
such
those
and
The
sides
factions
two
do
they
"
cliques
take
before
electrical
companies.
is not
head
alien
or
of
member
re-
duty
more
high
ethics
The
the
show
to
first
is
of
men
before
importance
life lie outside
formed
the
bow
to
or
airs
himself
often
particular ways.
own
it your
men
you
them,
meet
be
that
visit
try
conceit
to
apt
the
to
they
not
you
than
are
and
community,
do
nothing
character
gentleman's
If
makes
that
are
Again
not.
are
If
is
themselves
nature.
them.
and
gentleman,
a
they
profession
your
These
on
for
care
who
importance
persuade
to
employed,
are
you
little you
to
like
one
Directors
one.
their
only
and
manager,
in
exaggerating
often
perhaps
or
real
board
when
are
how
the
whole
they
"
is
use,
they
may
who
board,
officer
an
will"
or
find
millstones,
makes
end
and
"
special
maybe
his
the
party
DISPUTES
is
he
defeated,
advocacy
his
party
bring
may
tread, and
his
absolutely
aloof
withdrawing
seeming
to
If
avoid
precisely
act
himself
committing
as
everything
if
director
received
be
side
with
be
can
the
be
may
difficult
A
he
But
he
justly
for
of the
the
courtesy.
has
been
can
Thus
feel that
will
be
involved
become
his
tendent
superinvolved.
in-
not
it is to
such
in
position,
ever
what-
is
and
spared
neither
the
he
described,
some
and
offense,
act
should
He
dispute,
supposed
and
day
appear.
for
cause
Without-
next
may
of
them
happens
with
and
be
uality.
event-
if
it, and
he
will
may
encounter
may
that
such
corporations.
take
their
large representation
company
he
persons
It often
influence
a
The
same
should
his visitor
in interest
if he
class
contractors.
work
dispute.
dispute.
meet
or
feel
anxious.
Another
great
the
no
retaining
about
cares
in
of
should
do
must
observation
those
normal.
may
he
knew
engineer
our
This
to
himself
superintendent
he
the
hold
to
from
with
path
narrow
a
be
must
glad
case
that
hoped
of
strong
the
given just
result
too
works,
was
opposed
has
himself
he
his
to
as
discharge.
case
contact
if
as
his
dissensions.
officer visits the
an
his
a
from
without
then
wins,
rule
only
uncertainty
no
about
such
in
engineer
An
have
If
future.
own
need
159
COMPANIES.
IN
have
on
pay
the
leaned
in
people
They
may
stock, thus
board.
on
are
them
The
for
have
do
ting
get-
officers
advice
160
CONTRACTORS.
and
and
consultation,
their
upon
pronounce
not
opinions.
You
judgment
upon
find
may
you
yourself
the
approve
in order
may
the
loss
is
always
of your
expect
its merit
by
what
rule
and
wrong
so
comment
to
no
if the
and
entire
as
have
avoid
bias
and
with
will be
be
how
help
for
far.
The
is
ateness
dispassion-
upon
with
your
is
you
it.
work,
as
Do
are.
it be
and
company,
of
danger
just judgment.
a
things
Let
scientious.
con-
condemn
to
feeling, and,
offense,
no
is
tune.
misfor?
must
report
only doing
the
have
in
absolute
to
need
perhaps
case
You
form
offense.
takes
influence
There
you
of
are
The
never
unnecessarily
and
rifice
sac-
a
; you
a
eagerness
possible, state
giving
There
such
probably
With
work
suffer
to
latter.
in such
go
place.
absence
contractor
has
suffer.
the
the
there
or
position requires
with
best
of
contractors,
reward
given.
may
feeling
the
approve
companions
do
to
be
You
out
review
If your
and
the
of
by yourself ^and
except
you
ire
do
conscience.
own
will
again
It is better
do
sometimes
supererogation.
of
the
your
its
It
can
But
display
with
to
If you
the
do
to
by
will be
are
fires.
possibility that
or
other.
any
general
least
than
have
Here
you
injustice.
fellow-sufferers
So
No
If
exacted
recognized
few
a
incur
may
trouble
an
sacrifice,if made,
not
you
position
be
may
work.
two
probability
a
their
reliance
engineer,
as
may,
between
avoid
doing
place great
may
suffer.
to
be
you
work,
and
contractor,
work
so
seen
little
your
that
duty.
do
you
Then
dishonorable,
will have
to
162
WITH
DEALING
slight impatience
a
in the
be
for
small
cause,
a
you
as
You
the
when
of
thoughts
you
have
of
of
and
ber
num-
this
latter
Avoid
men.
it to
sizing
much
ism
despot-
should
you
"
fullest
it
of
their
up
in your
authority
the
concealing
spend
in
large
a
that
authority,
exercising
Workmen
and
by
feel
absolute
necessary,
times.
should
discharge
you
hurt
should
pride
disease.
a
art
be
manager
have
may
practice
poor
would
you
should
You
Your
workmen
of
pride
discharged.
shows
incivility.
or
number
your
"
WORKMEN.
all
other
spare
time
at
their
extent
If
superintendents.
will
they
nature,
find
soon
it out.
authority
own
rights
of
in
a
in
put
director,
Workmen,
But
a
day,
do
it.
A
so
that
he
the
worse
settings
if
he
as
the
went
put
that
in
so
a
tool
away
machine
corner
for
half
a
new
an
man
work-
be
sulted
con-
suspended.
to
try
earn
their
something
"
better
succeed
hours'
many
to
see
lathe
at
longer
a
a
president
he
often
engineer's duty
a
the
permanently
generally
to
sit in
of
is
try and
running
can
requires
man
If
of
request
possible
it is the
man
the
at
some
officers
to
men.
easily
hired
are
and
a
of
placing
will
also
they
the
due
respect
some
his
about
recognize
to
being human,
as
money
employers
or
courtesy
such
sensitive
so
unwilling
position
before
their
be
of
part
be
not
to
as
company
is
of
the
on
the
or
need
engineer
An
cut
hour
at.
work
that
slow
time
they
speed
between
would
do
ahead
of
no
the
GOOD
whistle.
that
A
it
if
as
the
is
to
properly
put
a
so
finish
is
dull
point
a
his
on
work
his
doing
to
of
ployer
em-
work
the
as
really
really
he
formerly
on
are,
does
require
the
average
of
We
having
find
it
of
demand.
factories,
easy
that
abandonment
supply
the
Men
mechanics
the
to
our
as
capacity
the
than
workmen.
good
with
accustomed
being
tool
make
to
years
less
in
to
low
apprentices,
slowly
163
with
tool
a
long
get
such
Therefore,
is
not
his
of
seven
of
runs
as
hard
very
ones.
WORKMEN.
injustice.
average,
about
more
twice
ground
an
It
BAD
who
man
takes
he
AND
the
good
tem
sysmen
work-
becoming
are
done
poorly
good
mechanic
was.
or
164
CHAPTER
XVIII.
Reading.
books
technical
english
several
book
a
journals
book
and
indexes
reading
The
"
seems
add
The
list
But
among
their
the
in
other
"
one
the
a
many
in
been
for
to
the
above
the
degrees.
life of
has
The
codify education,
colleges tributary
to
certain
a
an
lished
pub-
are
literature
to
maintain
rest.
language
our
England
also.
will
information.
of
still
subject
permeates
if
even
increasing constantly.
scientific
unfortunately
book,
standards
few
adequately
already read,
stock
is
well
the
be
; every
work
some
stand
which
read
books
England,
of examinations
rapid
"
cannot
reader's
the
to
books
directions
has
of
technical
is
country
"
card
scrap-leaflets
be
may
position and
Many
definitions
scrap-books
reading
electrical
of
electrical
"
reading
"
repetition
a
something
fault
of
much
So
reading
biographies.
subject
treated.
thinking
"
library
a
reading
"
notes
of
range
"
index
taking
"
collecting
it
times
instrument
an
the
"
which
of
very
the
serious
nation
organization
effort
of
her
and
to
make
standards.
in
cators
eduall
ENGLISH
of
branch
these
well
as
knowledge
students
as
any
college.
their
work
has
When
look
England,
that
or
u
of
the
occurs
will
be
will
with
on
think
If
better
than
the
it
of
an
good
several
alike
suspicion
it
of
nothing,
for
for
the
as
then
see
if
leave
but
index.
A
be
here.
When
good
a
contents
usually
cannot
portant,
im-
should
it has
it.
ination.
exam-
however
value
an
fixed
very
books
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if the
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lines,
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110113,
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title-page.
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London
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up
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by
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;
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study
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For
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matriculated
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books
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are
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"
scope
who
They
examinations
their
from
conceivable
every
held
are
students
come
in
examinations
Accordingly,
165
BOOKvS.
take
dex.
inis
the
index.
book
read
different
beginning,
and
reread
ones
especially, it
may
read
is often
in
do
good
more
succession.
useful
to
read
At
the
THOUGHT
166
book
same
several
acquaintance.
will endure
it
work,
been
its
of
reading.
This
is
form
a
laziness.
read
brieflythought
may
be
the
habit
of
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reading
to
the
"
thinking intensely
before
brought
until
you
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try
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it
reread
a
a
of
that
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what
over
points
hours
Acquire
facts
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is
thought.
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during
good
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Nothing
of
way
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It
worth
true.
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supplement
to
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you.
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detect
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together.
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to
over
to
and
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thought
read
have
we
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with
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book
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go
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and
of
quality.
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hour
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classics
drift back
you
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test
reading
than
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perusals
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futile
read
well
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of
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good
If
and
said
hours
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speaks
The
several
this.
Thought
more
times.
will endure
science
READING.
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points by
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end.
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read
so
assimilated
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Like
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taken
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individual.
to
disadvantage.
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will need
in Charles
Place,"
has
or
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have
you
hero
in His
A
the
undue
books
make
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mere
"
feel
should
and
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end,
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satisfaction
instrument.
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desired
a
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make
write
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novel,
head
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down
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books.
have
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ing
hav-
you
"
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?
the
comparatively
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in
pages.
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the
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of
means
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notes.
Put
self
Your-
note-book.
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ELECTRICAL
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for
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each
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discussions
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and
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It will not
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book
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keep
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electricians
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ciations
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as
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light
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They
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electric
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attainments,
own
matter,
electricians
of
but
at.
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pages
reading
of
only
papers,
One
read.
doing.
meetings
not
you
"
advertising
the
as
is
be
The
societies
They
are
rating
the
other
matter.
and
world
some
property,
should
well
as
study
in
you
own
best.
the
over
tell what
they
of
tice
prac-
and
own,
for
look
to
for.
good
journals
if it is
enough
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one
and
excellent
Thus
your
one
uses
one
your
them.
by
contents
electrical
The
than
good
a
their
It will be
books
other
up
learn
books.
to
be
in which
find.
to
reference
will
must
will know
want
look
to
quick
books
You
you
you
of
art
dozen
use.
that
so
range,
the
a
167
JOURNALS.
As
will
a
guide
be
to
more
specialized.
Your
reading
You
must
will
have
cover
to
more
be
a
ground
mechanical
than
tricity.
elec-
engineer
168
in
broad
the
of
of
strength
and
materials
if you
Yet
list of
to
books
might
thoroughly
another
book
be
it.
Know
one
in
pick
when
mechanics,
short
to
of
with
head
of
A
it.
weight
In
or
in
algebra,
chemistry
laid
a
;
tion
foundafor
on
to
four
for
you,
when
learn
by
heart
Electricity
somewhat
more
In
as
too
something
An
scarce.
reading
the
a
book
definitions
connected
and
force, momentum
energy,
weight,"
radical, logarithm,"
is
intimately
subjects
subjects.
molecular
all
be
should
words
definition
them
find
physics work,
such
are
atom,
you
such
it know
with
yourself
few
a
good
be
would
given subject,
three
reading
will
You
to.
plan
even
Let
come.
excellent
a
try
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and
in
have
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you
congratulate
definitions.
cling
on
and
Then
one
one
be
everything
through
physics,
your
would
ask.
arithmetic,
in
may
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thing
to
field.
thing,
one
understand
are
you
one
wide
given subject.
a
in
ones,
the
on
much
too
of
algebraical.
assimilate
and
on
book
one
to
small.
Thoroughly
short, but
Under
said
This
read
which
years
be
the
much
a
do
of
and
cover
to
you
out
must
knowing
much
and
persuaded
perhaps
system.
first book
the
physics,
arithmetical
understand
It is
read.
you
be
could
of
sense
machinery,
therefore,
reading,
the
and
chemistry
calculations, graphic,
Your
is
which
sense,
something
THOROUGHLY.
BOOKS
KNOWING
cule,
chemistry element, molein
these
your
definitions.
may
mathematics
be
taken
specialty
should
nent,
expoas
amples.
ex-
give
SCRAP-BOOKS.
170
libraries.
spises circulating
be
only
be
to
a
library
but
Owning
to
and
this
books
of
is
much
designed
read
be
the
have
in
the
little
daily
of
notes
different
electrical
arc
for
such
escape.
matter
repository
proper
With
one
The
in
hundred
best
way,
cuttings,
attempt
or
at
write
order.
rather
"
than
which
sermon
electrical
and
own
this
lamps
or
will
It
is
be
a
are
countered.
en-
age
volt-
be
seen
specially
pity
leaves
or
where,
else-
and
will
batteries,
Scrap-books
to
let
the
are
them.
every
one
arranges
is
familiar,
them
things considered,
in
and
resistance
as
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disposal.
your
electrically
purpose.
for
at
perhaps,
or,
journals
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magazines
papers,
such
that
all
fair
a
thoroughly,
week.
each
data,
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scrap-books
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in
be
knowledge
interest
journals,
ascertained
it
leading
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college
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often
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in
the
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preach.
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knowledge
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by intelligent
composing
of
are
way.
library,
thoroughness
thinness
As
small
the
long
a
libraries
scientific
supplemented
you
a
know
way
providing
circulating, society
"
will carry
"
book
books
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go
it need
circulating
use
for
only
library,and
opportunities.
commended
dozen
should
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use
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make
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index,
is added
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for
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by cutting
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them
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and
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it
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destroy
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good practice,
to
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notes
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in books.
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this idea, is
of
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make
up
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cases
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books
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scrap-book,
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grouped
characteristic"
books
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index,
"curve,
references
be
number
important
to
under
Thus
A's
can
a
sary
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further
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one
any
card
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in it references
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list,simply keep
your
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one
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contents
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come
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go
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other
all the
for
done
order
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size
written.
be
can
alphabetical
first letter.
in the
it
for
index
be
may
assumes
is small,
scrap-book
complete
book
the
171
This
index.
an
principle if
the
the
is
thing
next
INDEX.
CARD
end
for
only
indifferent
of
for
not
things,
becoming
a
sought
"
for.
card
else.
anything
master
references
really good
a
means
or
will
you
collector
The
for
card
an
;
run
only,
index
end,
and
172
PRESERVATION
The
as
Every
bad
Scraps
disfigure
and
of
of very
twice
the
by
nine
be
may
of
the
the
or
of
will
and
hold
latter
twenty
little
a
be
may
Each
cover
thirty
or
individually,and
number.
to
sheet.
these
paper
The
quired.
reone
for
brown
is numbered
reference
than
single
thereabouts.
or
is
on
more
a
this
uniform
to
Holders
on.
leaves.
cover's
desired
cut
on
go
piece
a
For
being pasted
scraps,
inches
its
A
greatly.
leaves.
on
cutting,
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sheet
with
marked
gives
is
size
Each
for
or
scrap
numbered,
leaves.
and
carefully,
very
of paper
sheets
by doubling
made
seven
of
related
side
one
out
clear
collection
the
preserved
quality
single
closely
Only
be
good
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over
also
be
is excellent.
quantity
a
purpose
are
will
hand
may
written
be
must
back
open
should
cards
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writing
very
size
for
handwriting
good.
CUTTINGS.
OF
A
index
general
number
cover
is
and
sheet
number.
Another
into
it scraps
quite
a
made
for
each
is
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merely
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you
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under
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with
need
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may
be
index
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They
scraps.
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year.
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antiquated
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scrap-book
reference.
between
or
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in the
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learned
development
note-book
title,which
case
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well
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cover
portfolios.
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either
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it becomes
title
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trouble
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one.
value
contained
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ence,
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THE
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advice
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exercise
of
The
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made
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to
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apply
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to
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aim
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be
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over
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to
for
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you
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come
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to
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exists
latter
much
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fail
may
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not
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books.
to
liberty
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reading
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subsidiary
skipped.
studying.
in
the
vigorous understanding
indulged
in
card
fix
pretty
Every
dangerous
gone
some
a
requisite
reading.
be
of
will
advance
possible
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very
a
powers,
the
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al-
or
of
or
is made
private
possible.
as
by being
fixed
if
always
index
the
you
Refer
and
you
analytical
if
two
until
esting
inter-
insertion
supplies
own
working
text-book
book
a
Your
little value
are
much
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work.
profession.
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in
be
encounter
may
the
Thus
work,
your
to
Then
use.
and
may
When
referred
be
text-book
things
do.
part of the
some
chemistry.
on
fact
to
the
collect
to
of
you
you
may
with
always
and
the
as
rerum,
index
chemistry
collect
to
"
much.
too
card
These
this
termed,
everything
to
points.
book
index
than
or
experimental
always
an
discrimination,
great
rather
note
to
be
may
173
be
seem
up
index
RUM.
RE
would
make
to
or
scraps
INDEX
extent
amount
to
read
books
some
As
for
and
slowly
in
made
the
If
the
have
made
a
any
of
one,
a
himself
prospect
before
a
the
human
Read
the
read
him,
ing.
read-
of labor
from
biographies.
who
Faraday,
his
in
work.
which
the
career,
and
so
It
race.
a
was
he
have
to
of
himself
made
narily
ordi-
is known
This
if
"With
would
ambition
science.
pure
could
profession
which
one
slight
a
biographical
commercial
to
ing
givnency.
perti-
most
some
fortune
the
and
voluntarily relinquished it,and
to
take
can
permit
gospel
as
excite
to
nature
he
the
brilliant,and
called
been
ing
read-
one
of
may
some
men
large
has
his wants,
to
book
thereof,
confined
his
of
words,
sections
of
such
read
it,going lightly over
learn
to
of
very
himself
devote
rest
wish
lives
be
been
other
this
in favor
preachers
Read
had
of
is to
discriminative
or
the
to
done
advance
good
through
plan
here
you
best
such
skim
the
digression
he
in ; in
attention
Perhaps
the
After
directly appertaining
more
most
al-
be
can
with
begin
to
selective
science,
and
not
parts
rule
good
indulged
book
a
study, reading
any
carefully.
be
can
up
in
A
rapidly.
more
studied
be
to
word.
advances
one
have
They
rapidly.
word
of
READING.
SELECTIVE
174
almost
elected
did
for
to
the
benefactor
a
sacrifice, and
a
noble
one.
how
his
and
mind
beautiful
from
scientific
life
earliest
bent.
of
Clerk
youth
The
Maxwell,
was
story
of
of
a
and
see
ical
mathemat-
his
amicable
CLERK
MAXWELL.
THE
178
frighten
INVETERATE
desirable
very
with
cause
to
will
probably
You
living
your
without
and
such
to
to
you
determination
a
something
conducive
and
should
they
science,
of
out
you
READER.
not
be
be
even
may
but
labor,
a
for
of
labor
science
will
make
electrician
successful
will
you
"
or
;
years.
You
slave.
a
with
good
portals
slave
a
be
may
own
your
the
enter
be
which
be
a
cessful
suc-
man.
inveterate
An
form
peculiar
reading
for
year
of
be
must
to
you
may
is
reader
boast
indicate
often
laziness.
a
means
of
having
a
defect,
You
for
of
end
read
not
be
must
the
so
a
with
afflicted
one
many
merit.
a
doer,
a
and
doing.
books
So
in
a
179
XIX.
CHAPTER
Ethics.
professional
life
honor
and
lives
examples
brush
of
profession
and
calls
Without
us
this
connection
step
further
and
professional
what
have
precedes,
been
taken.
for
of
such
Be
are
and
the
to
any
one
entering
be
as
the
any
tell
of
the
are
what
us
our
as
of the
be
scientific
in
Perhaps
willing
act
of
speak
to
commentary
could
be
cases.
be
can
lations
re-
may
These
attempted.
justify some
noted
in its
rules
early history
They
This
in
which
may
biography
those
as
which
it is hard
Examples
gentleman.
a
given
you
lives
sermon
accept
scientists.
to
a
life the
action
of
in certain
do
reader
to
conclusion.
of ethics.
to
however,
the
lodge
"
world,
propriety,
on
It must,
the
heading
preaching
ethics.
of
the
honor
thompson
specific rules
of
rest
under
comprised
rules
its
has
the
to
gulcher
elihu
life
Every
successful
of
dolbear
pacinotti
tice
jus-
truth,
gentleman
the
"
to
the
on
of
ics
eth-
few
a
a
go
tinguishe
dis-
conclusion
a
views
which
multiplied
is
men
definite
infull
below.
is
the
first
position
profession
advice
in life.
which
to
But
embraced
be
here
or
TRUTH
ISO
embraces
in
Maxwell
and
in their
of
Sir
of
worked
useless, abandon
do
not
has
Many
satisfies
his
the
Do
least
a
learned
show
you
floor
by
obstinate
the
to
learn
Be
aided
by
results
to
face
be
the
up
one.
as
soon
achieved
have
them
others, give
another
see
and
work.
motto,
lead
mis-
can
to
in
come
rapidly,you
shoveller
of coal
Do
and
in
can
from
be
the
wrong
acknowledge
too
it,
possible.
as
important
an
credit.
are
we
namely
the
not
result
Never
injustice of absorbing
Here
If
something.
If
due
persuaded
you
bit
every
to
which
workman
coal
shovel.
quick
it
money
of his
is correct
meanness
last
is
conscience.
you
The
any
enterprises
he
whom
count
that
value
lowest
tell
to
you
from
learn
said
man
can
pick
of another's
with
of
From
one
If you
guilty'ofthe
; then
trouble
quick jerk
what
just.
getting
business
to
anything,
about
first
find
anything
has
worthless
an
yourself, and
that
you
over
deceive
to
of
something.
how
created
to
to
try
even
schemes
teaches
have
and
less
every
pay-master
have
only
anything
by
his
scientific
with,
contact
that
obstinate.
be
not
in the
were
thought
not
promoter
a
with
Do
persuade
or
of
worth
months
truthful
Be
conscience
others
the
it.
is not,
which
who
be
to
are
if you
as
invention
some
up
its value.
not.
of
for
let self-interest
right
act
You
immortals,"
have
it is
to
Thomson.
"
Clerk
Faraday,
as
electricity.
and
as
"
true
idea
one
men
William
If you
true.
such
hereafter,
the
science
Be
ranks
company
presence
the
its
JUSTICE..
AND
:
brought
be
the
face
HONESTY"
honest.
Be
by special
a
has
patentee
original
will
goods
in
may
lose
these
foremost
the
electrical
thirteen
when
batteries
grinding
the
of
for
it in
early
the
He
age.
regular
four
years,
graduated
part
completed
in two
entered
one
the
boy emphatically
inventing
A.
the
E.
of his
father
Dolbear
telephone
America's
of
ran
; in
1849
1862,
with
experimenting
later
and
he
coils and
and
of
work
the
Tufts
a
at
this
years
requiring
Michigan,
class.
even
ing
light-
one-half
of
up
trical
elec-
off, and
his
and
of
took
telescopes,
on
University
the
of
in
tween
be-
distinction.
ordinarily
course
ahead
year
"
one
Induction
were
high-school
Professor
in
lamps,
street
your
but
it,
by
Born
gas
of
"
years
turning
whose
place yourself
wide
began
himself.
do,
you
interest
as
microscopes
lenses
apparatus
he
; two
magnets
construction
the
old,
ployer,
em-
your
by doing this,
a
stands
for
person
will
money
is
the
was
If
the
the
engineers.
years
and
of
Brush
by
money
there
things
two
no
making
Francis
Charles
lose
will
You
of
for
purely
Act
he
company.
and
for
commission
a
slave
termined
de-
perjury,
that
goods
or
the
also
oath
recommended,
power.
employer.
you
yourself
have
but
of
purchase
the
implies
patented
take
individual
make
you
his
Never
the
whether
you
when
solemn
a
of
property
it is otherwise
stealing,
take
to
inventor.
influencing
the
and
only injustice
not
181
LIFE.
the
contract
invention
stolen
A
is
invention
An
unless
maker,
FROM
EXAMPLES
Here
we
and
see
man.
College,
close
race
who
with
182
EXAMPLES
Alexander
Graham
took
Bell,
afterwards
became
locomotive
works,
old, managed
it
for
in the
of
to
The
life of
of
it.
He
automatic
R.
Giilcher
of age
it grow
factory.
sometimes
of
all
a
long
age
neto-telegr
mag-
nights
telegraphic
When
night.
take
to
he
when
boy
In
of
he
Siemens
the
sometimes
full
tage
advan-
invented
the
his
Professor
dividing
Oliver
the
the
Lodge
electric
went
years
had
This
of
and
some
started
lamps
new
inventor
machine-shop
three-lamp
a
cal
electri-
twenty-three
small
He
circuits
but
foundry
Halske.
invented
He
leading
Three
regulators.
termed
of
a
iron
bought
"
arc-lamp
of
large
a
the
when
factory.
be
1878
of
one
charge
cloth
elaborated
method
practiced
Continent,
in
to
electricity.
and
he
a
the
at
invented
he
prepared
working
ates.
college gradu-
most
boy
Austria,
the
was
father's
plant
while
tells
only
of
of
engineers
his
self
him-
Edison
was
was
prepared
repeater.
J.
years
a
a
years
A.
Thomas
He
entered
graduated
than
tory,
pistol fac-
twenty-six
evenings
He
older
he
then
last, when
in the
a
seventeen.
teacher,
undergraduate
came
of
age
college, having
assiduously,
chance
with
at
years
When
operating
made
and
enter
an
labor.
in
school
in
working
the
Springfield Armory.
While
his
a
by studying
twenty-nine,
of
while
electricity at
up
LIFE.
FROM
and
later
machine
lighting
trouble
him
into
dynamos,
distribution.
He
discoverer
of
or
he
is
the
light.
into
business
with
his
father
at
some
fourteen
or
find
him
took
by working
of twenty
four
to
later
he
Here
again
is
Antonio
His
ring.
Elihu
frictional
a
ring
worked
seen
possible
apparatus,
from
the
high
After
this
he
while
acting
the
same
electrical
won
him
school
high
school.
engineering
world-wide
of
have
fame.
built
age,
Gramme
Pacinotti
of
made
his
and
splendid
using
of
of
all
age.
kinds,
professor
achievements
these
of
graduated
years
and
only,
pieces
many
apparatus
a
period
school
apparatus,
made
since
made
age
description
through
a
ring.
years
professor
His
struggling
the
seventeen
made
assistant
of
and
He
at
two
Philosophy.
and
batteries, etc.,
constantly
as
of
often,
and
tools.
and
Gramme
from
mechanics
at
and
course,
the
eleven
All
one.
age
antedating
the
machine
the
at
B.Sc,
years
is cited
electric
crudest
electrical
armature,
at
At
difficulties.
nineteen
Thompson
of
work
night
termed
attended.
Doctor
greatest
invention
having
never
the
the
is often
armature
of
story
a
aroused.
chemistry.
University
a
we
lectures
was
managed
degree
made
was
Pacinotti,
with
motor
his
bent
next
he
London
six
elementary
were
chanic,"
Me-
English
of
scientific
in
for
so
Clyclopedia,"
course
hours
got
through
upwards
odd
"
an
Penny
a
course
the
later
years
"
chemistry
at
enter
years
he
in
classes
remained
reading
latent
private
a
Evening
last
his
and
then
finally
attending
and
age,
in the
article
an
by Tyndall,
He
and
Now
years.
of
years
183
LIFE.
FROM
EXAMPLES
in
in
early days
RESUME.
184
lives
The
book.
boyhood
and
study
high
reach
Some
while
chemistry
All
engineers.
hard
with
by
work
lectures.
The
in
it
do
The
engineering
by
a
work.
night
ranks
boys
devotion
to
or
full
study
some
become
science
and
;
it
science
attending
are
such
but
men.
by
teachers
no
supplement
by
of
to
position.
some
have
noted
are
;
education
schools,
lives
few
their
;
Some
enough
devoted
are
mathematics
than
more
meager
the
in
ings
liv-
their
earn
win
and
in
;
apparatus.
to
nights
goon,
positions
unceasing
and
others
They
little
them
whole
or
science
scientific
for
this
on
for
taste
construct
necessary
work.
commentary
a
early
an
or
evenings
the
are
see
invent
being
days
men
we
they
in,
such
them
In
The
of
a
sample.
IXDEX.
186
PAGE.
Difficulties
in the
be
to
PACE,
86,
Difficulties,solving
S7
14
ties,
quanti.42, 43. 45, 46
theory of
of
boards
157, 158
Directors,
electrical
15
Doing- anything
1S1
182
Prof.
A. E
Dolbear,
,
7 7-85
Drawing
Drawing
82, 83
night
at
Drawing,
catalogue
cuts
as
for
models
85
conventional
Drawing,
bols
sym-
84
in
Drawing,
Drawing
ink
for
in
laboratory
79, 80
Drawing,
practical
practice
in free-hand
scale
free-hand.
care
.
79, 80
in
neatness
81
cross-ruled
for
notes
.79, 83
on.
78
80
.
shade
lines
shades
and
sitting
shadows
standing
or
82
of descriptive
problems
stencils
Drawing,
etry
geom-
81, 82
and
rubber
84
effects
in,
up-to-date
utility of, to electrical
Drawing,
engineer
Dynamo
building
85
grades
and
118
110
real
29, 182
A
station
:
how
termined
de133
Electrical
h
apparatus,
om
e
Electrical
should
work
for
dents
stu-
be
a
ic
mechan71
Electrician,
Electrician,
Electricity
a
Electricity
at
the
self-educated..
work
of
mystery
home
108
41
154
for
preferences
specal
Engines,
selection
Erection
of
....111,112
126, 127
of
120
plants
Ethics
179-184
Examinations
in
165
England
Examples
from
Executive
ability
life
181, 184
133, 134
fractional
Exponents,
32
of small.
Factories,
expansion
Fac
of work
in. 114,
ories, range
Factories, small
Michael.
12, 13, 29, 174,
Faraday,
of
Force
wr
:
121
115
118
180
work
ng
10
doctrine
of
its
conservation
169
86, 87
teachers
as
the
62,
Geometry
Geometry,
anal}
Geometry,
descriptive
ISO, 181
33,
George
81
152
transparency
Graduates
39
of
of
colleges, unplaced
actuating
.energy.
Gravity
Gulcher,
34
36
tical
Eliot
Glass,
63
63
Galvanometer,
tangent
the
Gentleman,
J
R.
10
11
College
Harvard
course
92
Electrician
right
and
cf nature
in electric
42
circuit
Energy
re'a' ion of, to scientist
13
Engineer,
the
of
Engineer,
servant
porations
cor-
10-12
the
engineer,
factory
Energies
Energy
65
weight
152, 153
Thomson
106
107
182
-
60-64
made
Electrical
65
Electrometer,
Ends, wrong
Galvanometer
ing
designdifferent
motors,
Thomas
Edison,
Efficiency of
25
everywhere..
78
and
of
Economy,
urement
meas-
Electrometer
Friends
115, 116
Dynamos
workers
Fields
in
Drawings,
of
.
79, 80
81,82
in
in
position
Drawings
types
83
.
Drawing,
64-66
60
Electric
Engines,
of
instruments,
Drawing,
Drawing,
Drawing,
Drawing,
59
Electricity, static
Electricity the science
80
books
note-
Drawing
Drawing,
Drawing
paper,
study
of
encountered
profession
of physical
Dimensions
Electricity, experimental
Heat,
:
Henry,
40
175
Joseph
181
Honesty
Honor
and
Humanity,
Human
entrance
60
in physics
physics of
77
honesty
dealing
nature
with
184
154
146
59-67
Idleness
26
187.
INDEX.
page.
PAGE.
how
Ignorance,
treat
to
your
24, 25
own
39
of
evenness
Illumination,
of small
things
Importance
of dynamos
use
Improper
21
118,119
electric
in
Improvements
117
of
shapes
129,130,131,132
workmen,
acting
in
Mathematics
J.
Maxwell,
chinery
ma-
161
on
157
Independence
Index
13, 29, 142,
152, 174, 180
Inductive
166
reading
43,
physics
Introductory
Mechanical
engineering
engineering
73
9-28
field
137,
construction.
and
commercial
restrictions
success
Mechanical
138
Mechanical
.138,139
of
an
140
Mechanics
139
thoroughness
122
factories
good
processes
65
.88. 170
.
34
61, 62
bridge
120
electric
Meters,
"
Middlemarch"
low
a
and
Motors
152
Machinery
and
23, 24
151,152
150-152
150, 151
ideal
dynamos,
the
65,182.
183
33
112, 113
118
grades of
badly
Motors,
116
made
17
Knowledge
Necfssarv
175
Is^ac
Sir
Newton,
of
Object
14
book
....
its value
Observation:
to
tists
scien20
of
Observation
O
74
machinery
180
t)stinacy
Ohm's
One
35
law
of
136, 137
23,24
investigations
142-149
idea,
men
Original
70, 71
60,117
116, 117
of
different
40
73, 74
tools
circuit,
Magnetic
leakage
Magnetic
study
Magnetism,
153
of
realization
.
40
Designing
71, 72
false..
and
true
One-sidedness
Machine
42
163
117
32,
Luminescence
of
selective
the
Money,
170
'little
73, 74
147
Mensuration
of
of
examples
electricity
rarity
Mistakes,
practice
neer
engi-
of
146
Justice
in steam
the
and
work,
Mechanic,
180
Logarithms
work
in
13
128
of lines of force
Leakage
Leyden
jar
Library, the circulating.
from
Life, examples
Life, the ideal
of
Life, the race
Light, physics of
Oliver
Lodge,
work
of
136
Judgment
in
the
70,71
Mechanics,
Mechanics,
Meter
Work
73
engineer,
engineer,
24
extremes
137, 138
Laboratory
its
the
Mechanical
138
constitutes
Inventor's
Knowledge,
:
69, 70
Mechanical
disappointments
the qualified
Inventor,
of
Investigations, value
independent
Investigators,
what
leges
col-
141
on
of
in
of the
of
view
practical
engineering
138
aspects
fixing date
68-76
72
Mechanical
of
Losses
cian
electri-
as
44
136-141
Inventing
Invention,
Invention,
Invention,
Invention,
Invention,
engineer
158
Intolerance
Invention,
of
153
Mechanical
Mechanical
studying
of
system
Invention
instead
methods
and
ends
.
.
of
122
69
school
Clerk,
.171-173
rerum..
Indolence
Means
40
lamps
Incandescent
121,
29-37
1 19
Impulse,
1 14-122
the
engineer,
Manufacturing
of
Materials, testing
Mathematics
and
motors
Magnets,
Managing
66, 67
Packing
Papers,
183
Antonio
Pacinotti,
for
piston
daily,
113
rods
utility of
reading
17i"
INDEX.
188
PAGB.
Patent
of
140
attorneys
claims
Patent,
limit
the
scope
a
inventions
Patenting
Patents,
of
advantage
Pencils,
how
decisions
Researches,
136
Resistance
coils
Revolutions
in
141
83
sharpen
to
useless
Re-issue
140
early application
for
Regrets,
Rings
Ruskin,
163
140
publication
of.. 147,
14s
62, 63
112
engineering
158,159
26, 169
John
27
Persistence
88, 39
observations
Photometric
Sal-Ammoniac
in
51
batteries
...
38-46
Physics
Physics,
Physics,
how
Physics,
Pipes
in.
.
of
Physics
43, 44
..45,46
study
to
mathematics
for
Schools,
in
pupils
Science
89, 90
in schools
89
.
43
electricity
study of, by
101
Scholarships
experiment
44, 45
128
steam
Science, Napoleons
Scientist, work
of
of
147
the
Scrap-books
Scraps, preserving,
Self-Help," Smiles'
13
170
leaves
on
172,173
125
Plant, electrical, is a unit
obtain
records
to
Plants, how
of
....127,128
"
175
Selfishness
151
Positions
Shades
in
for
difficulty
students,
94
finding
Powers
37
of ten
Practical
142
life
criticisms
President,
of
in construction
in electrical
of
154-156
companies
Problems
the
Publication
of
Put
of
of
tastes
Yourself
in
His
.
Station:
of
Place."
166
station
.
neer
engi-
ment
experiwritof, in ing
148,149
a
contrivance
Station
engineer,
Station
reports,
for
asking
and
ing
answer-
21,22
Reading
Reading
Reading
Reading
Reading
Reading,
Reading,
Reading
Reading,
Records,
Records,
Recreation
Reduction
49
107-113
imperfection
108,109
re-reading.
178
Studying
Studying
an
thought
instrument
166
167
electrical
journals
specialized or not
taking
methods
two
of
96,97
16
early
87
alone
and
173, 174
reading
150-163
Success
17
qualities
duties
of
tion
staSuperintendent,
132,133, 134,135
for
Success,
....
167, 168
of
notes
thoroughly
50
factories,
at
.
166
and
schedules
Studies,
105,166
126
Steam,
high-pressure
Stoichiometry
courses
...
.
of.
166
Taking
1 6s
Teacher,
Teacher,
.
.173, 174
sides
in
disputes
of
advantage
qualities
of
a
...158, 159
good
.
146
Teachers
incorrect
Ill
Teachers,
positions as
scarcity of good.
Teachers,
of
Ten, powers
of
16
work
magnetic
leakage
117
86
a
forgotten
in
1 11
125
planning
Steam
engineering
its
:
Steam-engine
166
164-173
and
129-135
110,
Stations,
Students'
chemical
Reactions,
Charles
Reade,
the inveterate
Reader,
.
in
errors
ducing
pro-
109, 110
energy.
the
1^9, 130
Questions,
gineering
en-
53
clearness
electrical
..
.
Qualities
an
,
with
12
89
.
.
bicamonate,
Statement,
.147, 14S
researches.
74
80
pencil
or
pen
82
148
Sodium
.
"
81,
Society, membership
16
schools,
149
long
.'
Shop-work
Sketching,
119
engineering
11,
gineering
self-taught en-
student
in
and
shadows
155, 156
of
Problems
Pupils
short
and
.
President
Progress
Sentences,
91
....
86-91
101
90
...
31
IX
OIL
X.
189
PACK.
PAGE.
Nikola
Tesla,
Theories,
28
absurd
and
145
useless
.
Theorists,
warfare
Theorizing
by
.
of
.
51,52
Elihu
Thomson,
Sir
P
142,
Thomson,
Sir
mechanical
William:
Thought
Torsion
74,
180
75
166
instruments
65
34.
Truth
Tufts
idle
Workmen,
68
reading
Trigonometry
as
managing
Workmen
placed
by
162,
163
16L,
162
officers
of
companies
18,
and
engaging
93,94
Workmen,
viewson
engineering
Thoroughness
84
student
common
10
68,
152,
61,62
diagrams
Workman,
1
28,
Bridge
Wiring
28,183
William
63
Wheatstone
146
Thermo-chemistry
Sylvanus
74
.
men
142,143,
Thompson,
shops
Voltameters
145
incompetent
Thompson,
Visiting
.
35
180
College
181
Work
162
of
Work,
Works,
li
184
e
passing
judgment
positions
in
100
upon
large
vs.
small
Works,
94
for
premiums
positions
in
Works,
94,95
students'
in.
courses
94
.
Works,
University
Extension
time
for
.
dents'
stu-
88
courses
Vanity
required
156,157
Writing
English
in
95
14*