Popular_Electronics 1954-11.pdf

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POPULARNOVEMBER
ELECTRONICS
BLACK LIGHT
R/C
RECEIVER
CROOKS
OF
THE ETHER
CHOOSING
YOUR TV ANTENNA
THE
NOME BROADCASTER
BURGLAR
ALARM
F.
A.
SYSTEM
"Henry,
don't
just
stand
there!
Run
over
and
find
out how to make
one
of those
dar
-r -r
-ling radio controlled
boats."
ATTENTION
NOVICES
.
.
.
BEGINNERS!
NEW
WEN
"Quick
-Hot"
Soldering
Gun
NEW DESIGN
NEW LOW
PRICE
Working
hot
in
21/2
seconds.
Shpg. Wgt.
3
lbs.
Model
199.
-
Complete
Amateur Station in
Kit
Form
for
Only $44.95
Learn
while
you
build
these easy
-to-
assemble
kits which
really perform.
Hundreds
of
Amateurs and Novices are
on
the
air
with
these
fine
units. Each
kit
is
complete with
all
parts
and punched
chassis. Kits
may
be
purchased
separately.
Send
for
full
particulars.
WAR-25
Novice Receiver Kit.
Shpg.
Wgf.
4
lbs.
Nef $13.41
Nef $5.83
OUTSTANDING
TOOL
BARGAINS
WAT -25
Novice Transmitter
Kif.
Shpg. Wgt. 4 lbs.
Net $17.31
AND
WRENCH
SET.
Precision made. High grade steel,
polished
heads. Includes
7"
Linesman Slip Joint Pliers.
5%"
Diagonal
Plier,
6" Adjustable
Wrench,
5%"
Long Nose
Plier. In
plastic
case. Shpg. Wgt.
2
lbs.
PLIER
WAP
-25 Novice Power
Sup-
ply
Kit.
Shpg. Wgt.
12
lbs.
Nef
$14.23
No.
4014
Nef
$2.58
MAGNETIZED
SCREWDRIVER
SET.
Six
tools
with
blade lengths ranging from
11/2
to
71/2
inches.
Best
quality
hard-
ened
and tempered steel blades. Plas-
tic handles are unbreakable,
flame-
proof
and
shockproof.
With metal
wall
rack.
Shpg. Wgt
2
lbs. No. 3796.
All
prices
f.
o.
b. St. Louis
Walter Ashe Radio
Co.
1125 Pine
St.,
St.
Louis
1,
Mo.
L]
Phone:
CHestnut
1
-1125
1
PE-11-54
Only
.750
free
NOVICE
RUSH
copy of
new
Send
KIT
1
Circular.
955 catalog.
1125 PINE
ST.
RADIO CO.
A
ST.
LOUIS 1,
a44,
"
Please ship
following
merchandise
for
which
Name
is
enclosed
sum
of
Address
City
Zone
State
O
total
Include
sufficient postage. We refund
unused
amount.
20%
of
total
purchase
required
on C.
O.
D.
order.
i
I
WILL
TRAIN
YOU AT
HOME
F.OR
GOOD
PAY
JOBS
IN
EL
SMITH has
trained
more men lot Rudio-
teleynion
than any other mon.
OUR
40th
YEAR.
141
America's
Fast Growing
Industry Offers
You Good
Pay
Bright
Future
Security
t
VISION
BOO
-
ment.
In
good
times,
the
trained
man makes the
BETTER PAY,
"'Started
to repair
sets
4x
GETS
PROMOTED.
When
jobs
months
after
enrnllin..
'Earned
$12
to
$15
a
we-k
are
scarce, the
trained
man enjoys
in
spare
rime." -Adam
GREATER SECURITY. NRI
Kramlik, Jr.,
Sunney'toen,
training
can
help
assure
you more
ut11
Pennsylvania.
tif
the
hotel'
thlt.gs
tif life.
"C'r to
our
necks in
Radio-
,
tk
Televisor
work. Four other
nun work
here.
Am
happy
with
my
work."-
Glen
'eterson, Bradford,
.O
Ont
Canada.
NR
,
TRAINED
THESE
MEN
I
Training
plus
0-,portnujly
is
the
PERFECT COAIBIN.ATION for
,jtib
security,
gond
pay
advance-
-
if
x.
Start
Soon
to
Make $10,
$15
a
Week
'q'-
.
Extra Fixing Sets
Television
Mating
Good
Jobs,
Prosperity
-Even
without
Tele-
vision, Radio
bs
bigger than
ever.
115
miLion
home and
auto Radios
are
big market
for
servicing.
3000
broadcasting stations
use
operators,
technicians. Government,
Aviation,
Police, Ship,
Micro
-wave Relay,
Olt"Am
doing Radio
a
tri
Television Servicing
Nil
Al
time. Now
have
my
ow-n
shop.
I
owe
my
success
to
N.R.1."
-Curtis
Stath, Ft.
Madison, Iowa,
"Am with
WCOC.
NRI
course
can't
be
beat.
N
trouble
passing
1st
class
Radio
-phone license
exam."
-Jesse
W. Parker,
Sierì-
..
diar, Mississippi.
Keep
y
inr
,job
while
training.
I
start
stooling you special booklets
the day you
enroll, that
show
you
holy to
nix
sets.
Multitester
built
with
parts
I
send
helps
you make
$10, $15
a
week
extra
fixing
sets
while
training.
Many
start their
own
Radio-Television
business
with
spare
time earnings.
Two'way
Radio Communications fer
buses,
taxis, trucks,
R.
R. are
growing
fields.
Television
is
moving
ahead fast.
"By
graduation,
had paid
for
course, car,
testreg
'equipment.
Can
service
toughest jobs.
"
-E.
J.
ton, Ohio.
My
Training Is
Up -To
-Date
you
benefit by my
40 yea rs:
experi-
training
men
at
home.
Well
illustrated
lessons
give you
hasie
Streitenberger,
New Bos-
ence
AVAILABLE
TO
VETERANS
UNDER
G
.
BILLS
principles
you
need.
Skillfully
de-
veloped
kits
of parts
I
send (see
below)
"bring
to
life"
things
you
learn
from
lessons.
Atout
uID Televi
You
Learn
by
Practicin
with
Parts
I
Sen
.ion
stations
are now
on
the
air. Huvdreds
of
others being
built.
Good
TV
lobs opening
up
for
Technicians, Operators, etc.
:5
mil
on
homes no have
Tehsision
sets Thousands more
are being sold
every
week. Get
a
job or
have
your
own
Lusines
selling,
installing,
servicing.
Radio -TV Needs Men
of
Action
-Mail
Coupon
Nothing
takes the place of
PRACTICAL EXPERIENCE.
That's
why
NRI
training
is
based on
LEARNING
BY
RUING.
You
use
parts
I
furnish to build many circuits
common to
Radio
and
Television.
As
part
of
my Communi-
cations
Course, you
build many circuits. including low
power
transmitter
shown
at
left. You
put it
"on
the
air,"
perform
procedures required
of broadcast operators.
With
my Serv-
I'll
send an
actual
lesson to
prove that
to
training
is
practical, thorough;
64
-pagee'
hoof,
to
show
good
jnh
opportunities
for
you
in
Radiis
-'IV.
Terms
for NRI training
are
as
low
as $5
a
mouth.
Alane
graduates
nruke
more
in
two
weeks
than total
,cost
of
Iriiaing.
Mail
coupon now.
J.
E.
SMITH,
Presi-
\Vithout
old =gating you in
any
way,
dent,
National
ft.
icing
Course you
build
i),I'.
OD?
4111'!I
Radio
Institute, Dept.4MDI
Washington
YE.11i.
modern Radio, etc.;
use
Mal
-
titester
you
build
to make
money
fixing
sets
in spare
time while
training. You
can
stay at
home, keep
your
job, learn Radio -TV
in
spare
time at low
cost.
Mail
coupon
for
book showing
other
equipment you build
and keep.
MR.
J.
E.
SMIELA,
President,
Dept.4MD4
National Rods Institute, Washington
9,
D. C.
Mail
we Sample
Lesson and
64
-page Book,
FREE.
(No
salesman
will
call.
Please
write plainly.)
Name.
Address
Age
City
.Zone..
State
VETS
ofdisA
ro.
POPULAR ELECTRONICS is
publs.ned monthly
by
Ziff
-Davin
Publishing
Company,
William
B.
Ziff,
Chairman
of
the
Boars'.
11946
-
1053,, at
(54
E.
Lake St.,
Chis'a
1,
In.
Second Class
Entry
pending at
Post
Office,
Chicago,
Ill.
SUBSCRIPTION
Thar U.S.
and
possessions, and
Canada
$3.00;
Pan-American Union Countries
$3,50;
all
other foreign countries
RATES:
Oca
$4.00.
o
November,
1954
POPULAR
NOVEMBER
1954
VOL.
I
ELECTRONICS
EDITOR
-
NUMBER
2
Registered
U.
ETI
S.
Patent
Office
OLIVER READ,
WI
ASSOCIATE
EDITORS
W.
A. STOCKLIN
H.
S.
RENNE
C.
TEPFER
J.
FRIEBORN
P.
B.
HOEFER
CONTENTS
Home Broadcaster
L.
E.
Garner,
Jr.
A.
Trauffer
11
A
Code Practice
Set
-The
Simple Way
15
16
18
ART
FRANK SAYLES
(Director)
A.
J.
REICH
M.
WHELPLEY
CONTRIBUTING
J. T. FRYE
An
All
-Wave Receiver
Kit
Command
Post
of the Future
EDITORS
L. E.
GARNER,
JR.
Am
I
Too
Old
to Learn
Television?
J
Wilson
Tepfer
20
22
24
K.
R.
BOORD
R.
R. P.
TURNER
HERTZBERG
H.
POLLACK
Choosing Your
TV
Antenna
The
World
at
a
Twirl
C.
DRAFTING
J.
A.
GOLANEK
K.
R.
Boord
A. A.
GANS
An Easily Built
"Black Light"
Source
The
Lorenz
26
E
R
ADVERTISING
DEPARTMENT
New York
(MU 7
-8080)
L. L.
"Sixty -One"
J
Lorenz
F
28
31
OSTEN
3
Parallel
Resistance Chart
Dentistry
-The
Painless Way
Nine Chassis
Bases
for
the Home
Builder
Hints on Reading Schematic
Diagrams
So
Graf
Hoefer
Chicago
(AN
M.
B.
-5200)
CROFFORD
P. B.
32
Los
Angeles (Mich.
9856)
E.
JOHN
34
PAYNE
36
R.
You
Want
to
Be
a
Ham (Part
2)
Hertzberg, W2DJJ
A
39
42
45
O
Radio Catches Crooks of
the
Ether
Weinstein
H
"NGC
Copyright
1954
(All
Rights Reserved)
ZIFF-DAVIS PUBLISHING COMPANY
W.
B.
ZIFF
(1898 -1953)
FOUNDER
Editorial
and Executive Offices
366
Madison Ave., New York
17, N.Y.
PRESIDENT
B.
G.
Neon
Tube
Metronome and
Seconds
Timer
How
to
Use
an
Oscilloscope
Pollack
49
53
55
Timing
Relay Experiments
Time
-Delay Burglar Alarm
How
Radar Works
Carl
&
Jerry
1
E
L
58
T
Frye
62
DAVIS
M.
FROELICH
Equipment for Radio Control
Checking and Changing Phonograph Pickup Units
Width Control
Adjustments
in
TV
Receivers
The
Electronic Flight Trainer
Safford,
Jr
64
66
68
VICE-
PRESIDENTS
H. J.
MORGANROTH
SECRETARY-TREASURER
G.
E.
CARNEY
L.
G.
Sands
70
72
75
CIRCULATION MANAGER
M. MICHAELSON
BRANCH
OFFICES
Chicago
(1),
64
E.
Lake St.
Los
Angeles (14),
Stotler
Center,
900 Wilshire
Blvd.
The
Electric
Eye
-How
It
Works
A Compact Public
Address
System
New
Airborne
Radar Unit
Build this
Plug
-in
Absorption
Wavemeter
79
80
W Winter
.
.
.
oncerning
sub-
scriptions
should
he
addressed
to
nolation Dept.,
114
E.
Lake St., Chicago
Ill.
Subscribers should
allow
at least
four
weeks
for
any change
of address.
All
communication.
SUBSCRIPTION SERVICE:
How
Many
Controls?
83
tl-
Using and
Understanding
the Neon
Glow
Lamp
DEPARTMENTS
E.
D.
Morgan
90
Contributors
are advised to
retain
cripts
and
illus-
copy of
their
n
trations. Contributions
should
he
nailed
to
the New York
Editorial
Office and
must
he
accompanied
by
return
postage.
Contributions
will
be
handled
with
rea-
sonable
care.
but
this
f, ty.
responsibility
for
their
safety.
ì
Any
copy
n
cepted
is
snhlect
to
ewhat-
ever
adaptations
and
r
cary
to
n
eet the
rehuir
ements
of tthis
publication.
Payment covers
all
au-
thor's, contributor's,
aorl
contestant's
and
to
rights.
title,
nd
interest
the
material
accepted
and
will
he
made
at our
current
rates upon acceptance.
ent
All
photos
and
drawings
will
be
con-
sidered
as
part of material purchased.
B
CONTRIBUTIONS:
R/C
Notes
Tools &
Gadgets
Book Reviews
After
Class
Tricks
of
the
Trade
Glossary of
Terms
in
this
Issue
Resistor
Color Code
74
92
96
99
110
126
28
128
129
1
i
Capacitor
Color Code
Standardized Wiring Diagram
Symbols
(Also
see
page
6)
4
POPULAR ELECTRONICS
Thu
is
thee.
new
Sprayberry
Traer
mg
Televisione
Recame,.
new Spray-
berry Tester
16range
Voll
Ohm- Milliammeter readings.
...
New
Equipment!
New
Lessons! Enlarged Course!
SPRAYBERRY PRACTICAL
TRAINING
IN
RADIO
-TELEVISION
3
NO
OBLIGATION TRAINING PLANS
You have
NO
MONTHLY PAYMENT CONTRACT
to
sign
...'oayfor
this outstanding training
as
you
learn!
You
w
It
build this
povertel
short way
b+aadcast
su
Mail
the
coupon
at
once for my big all -new
56
page
FREE
CATALOG and
FREE
Sample Lesson.
Get the
full
story
of
this remarkable
new
Training
Plan.
Read
about
my
3
NO
OBLIGATION PLANS
F.
L.
SPRAYAERRY
of
"packaged
unit"
instruction.
I can prepare you
Peel.
in as
little
as
10
MONTHS
to
take your
place as a
Trained
Radio -Television Technician.
You
take
no
risk
in enrolling
for
my
Training
because you
DO
NOT SIGN
A
BINDING
'TIME PAY-
MENT
CONTRACT.
I
have
been
training
successful
Radio -TV techni-
c
ans for
22
years...I
can
prepare
you, too, to
get into your
own prof
-
i
able Service Shop
or
a good
paying job. Full
information
FREE
and without any obligation.
No
salesman
will call.
DEVELOPMENTS
Your
training
sav-
ers
U
PRACTICE AND TRAIN AT HOME
WITH
25
NEW
KITS
of
EQUIPMENT
You
get valuable practical experience
1n
con-
struction, testing and
shop
practice: You build
a
powerful
2
band superhet
radio, the
an-new
18
range
Sprayberry
multitester,
the
new
H
F,
Collor
F
Television,
M,
Oscilloscope
Servicing, High
Fidelity
Sound
and Transistors.
SPRAYBERRY
ACADEMY
OF
RADIO
111
NORTH CANAL STREET, DEPT.
105
-R
CHICAGO
6,
ILLINOIS
N.
Canal St., Chicago
Sprayberry
Training
Television
receiver, signal
tracer
and
many
other projects.
All
equipment
Is
yours to
use
and keep.
All
your training
is
IN
YOUR HOME in spare hours.
I
help
you
earn
extra spare
time money
while
you
learn.
Rush coupon below
for
all the facts
-FREE!
SPRAYBERRY ACADEMY
OF
RADIO
arm. las
-R
Ill
6,
IIR.
MAIL
THIS CCUPUN
FCR
FEE
FACTS
AND SAMPLE
TESSI N
LESSON
SAMPLECL
Rn
>L
nil",
for my
catalog
"II,.
,s
Make
Money
in
If
lbi.
Television
". PLUS
an
actunl
sample
Sprayberry
Lecourt
wiihuul
obligation
-ALL
FREE. Mail
coupon
NOW!
I
Please
rush
New
Catalog
and Sample
Lesson FREE
I
under-
stand that
no
salesman
will call.
Nome
Address
C
to
t
i
Age
i
Zone
-Stale
s
5
November,
1954

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