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Real 2-Way Telephones

Young Engineers Want Erector Sets from Hall of Science

$279

Why shout? Why

$139

walk-when you

can talk from room

-$f1ff"G~:~f;:er

$1495

..$fSo""

s.::::;~:o::;

$1198

.sff)95-

~!:ct~:::;

$879

Cradle Type to room, from Wall Type

house to barn,

110..120-Volt Electrio Motor

With 110·Volt

Mot.or

Set with 110-Volt Motor

Builds 011er 200 working models,

BJiilds

over 180 action 1nodels.

Builds over 160 large actirm

~~

1

~!:/i'l.~~3::; fl

0

.'C:~~~~~· ~~~ ~tfv!>

0

~ar~~i~r bt~~

~s.au

~ ~~'t,xAJ~

1

::;;;si~~r~'t~pict~:

etc. on these real, battE'ry operated

telephones! Practical, lots of fun!

Master Cradle Phones

@

~~~

s.tu~

ni~~aci\~· J~i:h~

0

1~a~

T~t;~~hr~e

8

h1:

h

1

."

B~~:'o8r; f:r

38

rin~~

~tie:sCll~hr ~~t\~rY!s~n~~~r ~i~~i.res-

~:ri~se o~pe~:an~~g:~!rs ~~~;t ~?:!~~:: to~1~

'fr.ic

cr::i~ne~~~~ }~~r:~·_'~g;~r~te~'Tti

8

e~~~,~~

Automotive parts, electric mag-

lifting. No batteries or trans-

brass trimmed steel

cabinet-

net, disc wheels, 2 boilers, girders,

formers needed. Packed in steel

keeps parts in orderly fashion.

gears. ete. Steel carrying cabinet.

cabinet. Shipping weight, 19 lbs.

Shipping weight, 16 pounds.

79N04607-Sh

~g.wt

.,is1bs.$14.95

79 N &4785 ........... $11.98

79 N 04784.: .......... $8.79

49 N462B-Shpg.

wt., 3 lbs. 12

oz. $2.79

20

N

4664-Flashlight Batteries.

Shpg.

wt.,

ea.,

S

oz.

Each...........4c

Low Price 2-Way Wall Phones

@

~~':ie~la~~~e cr

6

ax~~ ~~~sh S~i~~

ope~ates

signal coil.

With 50

ft.

bell

wire. Requires 2 dry cells, listed below.

49 N 4605-Shpg.

wt.,

2

lbs.....

$1.39

~~b~.4l0

0

~-:-

:D.ry

.

C.•11.•:.

~b.p\;~"~;;

110-Volt Motor Set

Boller, G-r Box

Builds over 125 models:

locomotives, etc. No bat–

teries or transformers

needed. Sturdy steel

cabinet. Shipping weight,

12 pounds.

79 N 04783...... $8.79

Battery

Motor Set

Builds JOO models.

Use

dry cells or trans–

former (not included).

Reversing gear box.

Box.

18x.10x2%

In.

Sbpg.

wt.,

6

lbs.

79 N 04780 ... $3.98

Explore the Wonders of Modern Chemistry with CHEMCRAFT

Perform Hundreds of Experiments with Non-Dangerous Chemlcal1

The

lad

who "plays'' with chemiStry today

growing field of opportunity. Helps in school-

may work with it

tomorrow!

It's an ever-

work, too-and is fascinating fun besides!

$2 Beginner•' Set

$5 Laboratory Cabinet

$10 Profeulonal Type

Ov<;r

270

ex-

$179

New illustrators

$445

New illustrat'!rs

$895

gh;:ni:;J':U!;i~

~~i':i'bh~e

0

we1~~

~r;1':s~a161 P~~~~

stunts. 35 chemicals,

pcs.

ments

into

compounds.

450

chemicals,

apparatus. 4 man-

appara

tus.

2 manuals.

experiments.

62 pcs. chemi-

uals.

640 erperime

·n.ts

.

in-

Hinged cardboard

box,

cals, equipment.

Wood

clu~ing

chemical magic

and

17~x12x1~

Inches. Ship-

cabinet, 30x14% in. open. 2

electrolysis.

Wood

cabinet,

~~~w4~gahat:.~ -~~~~~S·1.

1s

79ntY~t7if~~: -~·: .~ ~~~4s j~·~~~7~2~Wt~!10

"ibs.sa.ss

Girder Set

Bullda 75 Model•

-$fS&-

$198

Fine

"starting..

set

for

:~~~u~oY~:for.ena~~:

ders, red wheels all in

colorful

box, 18x.10x*

In.

Sbpg.

wt.,

4 lbs.

49 N

~781

..... $1.98

Beglnn•r•'

Bulld1 50 Model1

Builds

battleships,

wagons, etc. No motor.

Pu11eys,

wheels, gir–

ders in colorful box,

11"2 In. long. Ship–

ping weight,

2

pounds.

49 N 4786 ....... 790

Giibert Polaroid Microscope Sets

With Electric Sub-Stage Lighting

See

actual colors

and

structures

of

objects

in~

visible

to the

unaided eye. Instructions.

3-Lens Microscope

200-Power 'Scope

SO, 90 and

$445

With

tilt-

$298

210-power.

ing

device.

38 pieces

.

'21 Pieces

apparatus:

mirror,

slides,

equipment:

slides,

chemicals, etc. 213 ex- chemicals, etc. Ship–

periments. Wt., 4 lbs. 12 oz. ping weight, 2

lbs.

8 oz.

49 N 4746.... . .. $4.45 49 N 4745 ..... $2.98

Q

PAGE

91

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