Electrical Experimenter vol 68

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3
MONTHS
Thousands
apparatus.
You
work
on
everything
from
These
courses
are
thorough,
short
and
practical.
All
instruction
given
on
comfortable
homes
in
the
most
beautiful
section
of
No matter
ination.
If
Batlsraotory,
a
profession
that
is
Offer.
of
the
air
and
barometric,
as
well
of air—this
less
is,
that
pubUeatloo. A spaclal
In
other
words,
the
steady
application
has
considerable
possibilities,
and
that
involving
the
use
of
the
automobile
engine
to
drive
a
525
with
her
mother
an
important
item
when
silvering
mir-
rors
25
cm.
ance weights
to store
375,000
square
feet
of
wharf
space
had
a
new
cabinet
for
very
small
outside
lap
of
the
beneath
this
tor-
one
stops
to
automobile
torpedo
moves
chantman
of
would
proceed
to
follow
a
air
mo-
tor,
the
same
as
in
the
standard
naval
type
varietiei
and
be
abso-
lutely
fresh
pass
Catching
3,000,000
Fish
the
fact
that
matically day
after day,
ful spring throws the
re-
peated,
cartridges
this
machine
gun
was
issued
to
Luis
M.
McManus
of
Houston,
Texas.
as
that
employed
in
the
fired
three
thousand
shots
thereof.
A
set
also
in
the
insole
are
trench mortars
this work
them
cool.
The
X-raying
provided
by
two
stepdown
transformers.
All
shown.
which
panel
carries
the
top
o'clock
one
of
his
guards
observed
type,
that
from
of
faces
which
Billiam abdi
try it
the two
the
other.
There's
riveting,
veloped
skill
so
rapidly
in
the
training
school
Speeds
Along
and
Fires
a
Torpedo.
The
How
Powerful
has
been
for
conveying
the
passengers
to
and
from
the
aerial
decrease
in
temperature
is
December, 1918
heading
is
placed
amidship
on
either
side
neighborhood of twenty
the
the General
days?
continue
to
do
for
cent
greater
than
types
of
electrical
machinery.
The
scale
with
the
or truck, is
machine
ing illustration as
tons
of
nitrat
of
lime
an
arc
of
the
electric
quires an
The
chemical
action
then
results
in
Water From
250,000
Horse-Power.
is
only
about
one-seventh
least
5,000.000
cooling house,
which
accom-
ab-
sorbs
a
watery
solution
City,
Park.
put
into
casks
holding
100
kilos
each.
This
powder
is
the
sun
from
our
view.
Since
it
is
only
at
the
the
moon
can
pass
between
the
earth
and
Western
Limbs)
Average
con-
tinue
of
pamphlets,
moon.
Since
the
and
tifty-eight
seconds
and
in
a
total
eclipse
of
the
sun
total
eclipse
able
from
the total phase. So
the
then
Swept
Diagonally
Over
the
United States. The Eclipse Ended 4 h. 19 m. Later In the
Atlantic
Ocean.
The
Corona,
exchange
takes
place
the Second
A
Home-Made
Form
side,
inef-
ficient
watt)
Tungsten
Mt. Wilson's Hundred
galvanometer.
As
soon
form
of
Peltier's
filled
and
appear
to
be
time in
etheric
wave
in the
the
fact
(Continued
on
page
588)
Radio
Students.
Photos
glad
or electrical engineering
such
as
used
Buffalo the
attack
guage, without
is
well
from the
the
war?
signed
The wireless
over
the
city.
Two
machines
by
the
operator
(actor)
pressing
the
key
on
the
of
course,
are
not
When
this
apparatus
your
town
and
jars
and
then
with
a
hack-saw
speculum is
forward
the
finer
grades
is
progressively
curve
concave,
and
gradually
to
inches.
fine
grades
when
water must be used
during the fine grinding
as
it
is
speculum
be
kept
thoroly
wet
with
rouge
and
water
when
studying.
These
direction
lines
in
the
field
have
been
called
the
lines
of
much
more
real
manner,
under
the
can
look
along
the
wire,
perhaps
deflection
as
in
the
ac-
quainted
ends
December, 1918
several
difficul-
ties
in
the
way
is,
that
Three
Fig.
8.
stop-
cocks
evacuated
for
a
•Concluded from
down. The negative
when an
this tube is
split in three
making the hole
the
on
the
thread
by
Gas
by
FeS,);
Cinnabar
BaSO.)
in
heaps
it sublimes.
off
be
at 120
the
Make
blades,
according
Be sure
When
the
switch
is
not
A
appropriately
be
termed
finger.
Thus
to
find
the
amperes
by orms;
-
does
this
hit
you?
soon
be
the most
possible to
but
Trained
Man?
financial
advancement
and
such
urgent
need
for
more
trained
men
as
Electricity.
^^ addition
to
the
fact
mean
everything
to
your
panying
cheaply
For
proof
will find this
Yours
The
attachment
as
veri-
sig-
naling
employing
a
receiving
anten-
sound
Direct Reading
movable
element
PATENTS
SUPPLIED
of
radio outfit,
several parts
of a
considerable
number
of
200 diameter microscope, a
storage batteries
can be
telephone,
which
December, 1918
a
final
fee.
in your
Phoney Patent
Patent Examiners
expedient of placing
the clock
free hold
questions
will
be
answered:
1.
sheets.
will be
charged. Correspondents
will be
A. 1. You have
the
Hence
g
current is
December, 1918
to
quickly
Increase
his
earning
power
with
this
Infarmatleo.
FREE
Lessons
p<}n
pays a
adrancement.
Many
ex-
write
Mail
cither
the
coupon
the
country.
As
570 ELECTRICAL
Binding
Posts,
Lamp,
Besides
we
guarantee
these
machinea
S«nd
for your ex-
Pathfinder's
Illustrated
weekly
review
gives
you
during
these
strenuous,
epoch
currents
and
there-
from
develops
of
alternating
currents.
FBBB.
Thl8
ent position
aaved
me
a
great
deal
of
trouble.
reference
5 72
ELECTRICAL EXPERIMENTER
UCCrTk
[tILOvU
Llat No. e2—
I Ika.
Workmaaablp Is
He then
giving
it
a
semi-
basic
anyone
who
owns
tone coloring.
improved
Leiihaao
Picture
Telegraphint
drag
your
feet
in
steering.
Has
grooved
Black.
oscillations ii
ideas
on
example
for
trical field.
The latest
to present the
modern electrical theory and practise.
DIRECT
CURRENT
MACHINERY,
by
Cyril
M.
Jansky.
clear
of
carefully
all
those
useful
hand-
book
and
uninitiated
generally
in
Institution
of
Washington,
D.
C,
has
the
performed,
articles
were
exposed
to
the
influence
of
large
day
and
evening
classes
are
being
taught
Mechanical
$2.80
THE
TEWNO
CO.
Include
sufficient
posUge
for
annealed
is the only lot
of Iron Norway Core
necessary to ask
L
Streets
(5
minutes'
walk
from
the
White
House),
has
^vill
be
compatible
-with
its
formed
wefe
carried
out
one
of
and
al-
lowed
to
dry.
days, the
contact
with
contact
up,
and
this
The
effect
of
resin
in
acting
upon
a
pho-
tographic
plate,
especially
when
sumption
it.
In
this
case
the
metal
articles
would
simply
act
as
shields
to
the
the
space
are much
and
direction.
variation
production of
active gas,
diffusion being
subsequently relied
Thus,
for
example,
a
number
of
lemon-yellow
when
solid,
when
ZSZ
^S
Do
you
made?
chemistry
new E. L
December. 1918
bluish
flame,
forming
decayed
eggs.
large cities, on
3.
It
is
oxid,
in
the
boys.
PROTECTED
BT
OWEN
PAT-
to
Write
today
for
my
books.
A
postal
Such
inquiries
to be of
Sketches
and
far.
have
our
opinion.
ators
strikes
the
patented, and
(282)
any
from slip rings
a
de-
vice
is
equip
guns
well
as
order
to
equip
rifles
at
the
Patent
Advice
Department
are
certain
a
patent
can
be
obtained
on
turn
snaps
a
shutter
by
a
certain
arrangement.
The
entire
device
idea
itself
is
not
com-
bination
appUcatioa
for
patent.
As
registered
request.
wiiid
fit
wad
inl.
rovr
InTvaUofi
wUl
fomlah
a
Cartlfleate
proof
•f
the
InvontloB
la
la
onnd
iBTeatleQa
«f
all
axiMdlcot
la
9m-
plarad
[>oBBlbla coat.
Bc-iklet
and
passing some
why not
H-C standards.
December, 1918
copper
chlorid
and
1,
1918.
State
of
New
City; Managing
City; Mrs. K.
Hymes, 233 Fulton
personal ready use—as
your
remembering
for
systems
hard
to
leam
is
the
maze
of
in
K.
1.
Shorthand.
You
1(K)
feet,
broad
thru
water,
the
a
charge.
THE
CODE-NUMERALS
GET
THEIRS.
{Continued
from
page
549)
solution
(B)
it
be-
comes
a
muddy
can be
gently polished
fairly
powerful
finder
larger
for a
given length
in
Drafting
and
more
than
position,
or
in
the
subject,
Reasonable
rates
been
transmitted
ampli-
fiers,
at
the greatest
in
a
certain
definite
and the
electrical
system
of
have
the
same
and
when
the
two
systems
are
tuned
they
are
said
Dear Sir: Pioase send
tion so
inches.
The
stalled
at
a
further
the
brilliant
blood-red
prominences
of
in-
candescent
pressive
feature
of
a most
December, 1918
ELECTRICAL EXPERIMENTER
you
about becoming an
case. When
rlialrara,
and
condensed
nator,
is
thus
475
tons.
the
coal
fields
at
the
of other
hand
shines
largely
by
and
periodically
changing
form
of
the
coronal
rays
M «
ickel
If
ample calcium
used, in which
$40.00
Cameras.
surplus
over
Letter
Specialties
Letters,
Booklets,
Folders,
well
informa-
tion.
Carl
Larsen
Co.,
Park
Row
Building,
New
York
City.
Millions
Spent
you
sell,
etc.
dustries.
Inc.,
Washington,
D.
C.
M.
F.
Elec-
ideas
wanted,
etc.
D.
C.
nimnmnrTTTmnmmiiiiiiiiiiininiiiiiniiiir
niiiiiiniiiTiiiiiiiiiBiiimiiniiiBiiiiiLiiiiiiim
above
for
logue. You can earn
it to
great
many
more
ap-
hundred
experiments
or
to
accomplished
by
means
of
this
screw-driver.
Among
of mercury, core
Shipping
tpj.uu
IMMEDIATE
SHIPMENTS
231
Fulton
St.
NEW
YORK
No.
EX2002
ELECTRO
IMPORTING
CO.,
A
Sample
•barply
remarkable
^^^P
tj/
X
tightening the
The
full directions
If
struction a
rate higher
than that
has
vanished)
illusions
fully
explained
with
full
for
which
World
The
Mfdpet
Bible
in
plain
water.
Notorious
Outlaws
PRICE
OR
CENTS
OR
Invention.
Tho
own
mirror.
Tho
it
Ihrouitb
tha
bair.
downwurd.
hair and comb It,
greaae
painta,
etc.,
The
very
now considered

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Electrical Experimenter vol 68