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542
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Sears
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12-i n-1 Transistor Electronic Kit
Build a burglar alarm; audio ampli–
fier; radio receiver; metronome;
light blinker; electronic timer; code
transmitter; voice activated switch;
rain alarm ; telegraph; audio oscil–
lator and a voice transmitter- no
special tools needed. Simply attach
wires to spring clips.
Kit contains plastic base; volume
control; IC transistor; resistor; ca–
pacitor; more. Instructions. Order
one 9-v. battery below.
49
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1940- Wt. 1 lb. 8 oz.. $8.S4
9-volt Battery. Shpg. wt. 4 oz.
49
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6417 . ..... .... .. . Each 35c
LECTRON .. 22 projects
with "see thru" cubes
-no wiring, tools
$2499
~!~~~t
.Simply place these enclosed
mag–
netic blocks side by side and match
the tops to the schematic drawings in
the instruction booklet.
Build a 2-transistor radio; a
basic electronic organ; sound ampli-
6.ei;
moisture indicator; stop elec–
tricity "on a dime"; electronic
atomic structure experiment
plus
16 other fascinating experiments.
Kit includes: photocell; diode;
transistors; switches; relay; re–
sistor; grounding contact plus all
equipment necessary for projects.
Complete instructions included.
Order one 9-v. Battery, above.
49
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1954 -Wt. 3 lbs. . .. $24.99
31-experiment
$1674
Set
without
batteries
Now, play your favorite records, listen to your
favorite radio shows, monitor a nursery or sick–
room. Build an electric light alarm, radio or
moisture detector, a telegraph aitd more.
Master station of high-impact styrene.
In–
cludes printed-circuit 4-transistor audio amplifier,
printed-circuit component board with variable
condenser, volume control, on-off switch .. all
leads attached. Set also has 48-inch antenna, 2
speakers, remote speaker housing, earphone, tele–
phone pickup and phonograph arm, needle cart–
ridge, motor and speed control parts.
Also included in the set are 2 double-pole
switches, photoelectric cell, screwdriver,
wrench, nuts, bolts and wiring. (Order 2
packages "AA" and 1 package "C" bat–
teries below.) Complete instructions incl.
79
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1939C- Shpg. wt. 41bs .. . ... Set $16.74
"AA" Batteries. Package of 2.
49
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4666-Shipping weight 2 oz. Package 34c
"C" Batteries. Package of 2.
49
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4665-Shipping weight 4 oz. Package 38c
I
I
:/1
FM Radio Kit .. solid state
for instant play
$799
without
battery
FM listening is even more fun when
you and your friends listen to music
on the radio that you built.
Kit contai11s pri11ted circuit; re–
sistors; transistors; capacitors; ear–
phone for private listening ; screws;
on-off switch; FM tuning ba11d.
Complete step-by-step instructions
included. Order one 9-volt battery,
left.
Shipping weight 8 ounces.
49
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20032 ...... . . . . . .. Kit $7 .99
Norelco
"Space Age"
Electronics Set .
23 experiments
$21 99
without
battery
Assemble actual projects in electro–
acoustics, telecommunications, radio, sig–
naling, electronic control and measuring.
No tools or soldering required.
Pictorial templates teach the "how"
and "why" for each circuit. Just put it on
pegboard panel, mount parts with metal
springs, attach wires. 72-page manual
contains a basic electronics course.
Includes transistors, diode, speakers,
wires and other parts needed for experi–
ments. Uses one 9-v. battery, order above.
Shipping weight 3 pounds 8 ounces.
49
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1952 ...... . . ... . ... .Kit $21.99