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RADIO DIGEST — Illustrated
October 6, 1923
COMPLETE PARTS FOR THE MILOPLEX
1 — .0005 Variable Condenser 1
1 — Estru Variometer 3
1 — .00025 Variable Condenser. ... 1
1 — Variable Grid Leak and Cond . . 1
-.002 Phone Condenser. . .. 1 — Socket, Bakelite base. . . .
-3}£ inch Dials 1 — Bakelite Panel, 9x I 4xf,r . .
-Potentiometer 1 — De Forest D. V.-6 Tube. .
-Rheostat, 6 ohms 1 — B Battery, 22 }£ volt. . . .
3 — Dry Cells
1 — Cabinet, 9x14 .
12 feet square, brass, bus wire 1 — Set Readem Binding Posts.
ONLY
ALL THE PARTS R. D.-39
LONG DISTANCE RECEIVER
(See September 29th issue Radio Digest)
3 sockets; 3 Rheostats; 2 A. F. Transformers; 2 Double Circuit Jacks; 1 Open Circuit Jack; 1 Radiometer; 1 Variable Grid Leak and Condenser; 1 .0005 Variable Condenser; 1 .005 Fixed Condenser; 1 75 Turn Honeycomb Coil, Mounted; 1 Single Coil Mounting; 1 Set Readem Binding Posts; 1 Bakelite Panel, 7xl6xA; 1 Cabinet, 7x16, fine mahogany finish.
OUR PRICE
30
.25
—r
VARIOCOUPLERS
SPECIAL
Webster Variocoupler with List Our Price dial, Type 1A $4.50 $2.19
Moulded Coupler 5.50 4.19
Moulded Bakelite Variocoupler 6.00
All-Meter Variocoupler, 150-2600 meters 7.00
WIRE
All kinds of wire put up in % pound spools, No. 18 to No. 28, silk, cotton and enamel,
double or single 45 cents a spool
Same wire as above on J/i pound spools 75 cents a spool
Hook-up Wire, No. A square brass, cut in 10 foot lengths 15c
CABINETS
6x18x6— Stained $3.00
9x14x6— Stained 3.25
7x9x6— Stained 2.25
Bakelite, -ft, cut any size; per square inch 01%
Single Tube WEBSTER RECEIVING SET (Non-Regenerative Type), without head set and tube, in beauti/ul mahogany cabinet; $Oft f\f\ list price, $30. Our price, while they last, ONLY tp<(SU*UU
The above WEBSTER RECEIVING SET complete with Baldwin Phones, B Battery, Dry Cells and Tube; list price, $41.30. Our special *QO tt(\
price as iong as we have them «pO«£i»0\y
TRANSFORMERS
Webster Radio Frequency, 5 A-l, wave length 200 to 500; 5 A-2, wave length 300 to 1200; 5 A-3, wave length 500 to 2,000; $4.00...
$3.19
(NOTE: One stage of Webster Radio frequency amplification is almost equal to the results obtained with a regenerative circuit; two stages can be said to be much, superior, while three stages will bring in stations too far away to be received with any regenerative set. More stages can be used with still better results.)
DOUBLE HEAD PHONE RECEIVERS
Our
List Price Webster Double Head Phone Receivers, 2500
ohms $7.00 $3.49
Double Phone Cord 1.00 .75
Baldwin Type C Unit 6.00 3.49
Baldwin Type C Double 12.00 6.95
UNITS
List
All these Units are enclosed in substantial beautiful mahogany cabinets that will grace any home. WEBSTER 1-A Tuner Unit $35.00
WEBSTER 2-A Detector Unit , 15.00
WEBSTER 3A Audio Frequency Amplifier Unit 17.50
WEBSTER 4A Radio Frequency Amplifying Unit 17.00
WEBSTER 3-B Audio Frequency Amplifier Unit 27.50
VARIABLE CONDENSER
Our Price $17.50 7.50 8.50 7.50 17.00 It con
This unit especially desimert as an effective amplifier for the 2-A Receiving
sists of two staaes of audio amplification having 4 to 1 ratio. The two vacuum tubes are
controlled by one rheostat which makes for simplicity in operation. The unit is equipped
with the following apparatus: 7 1A Binding Posts, 1 1C Socket, 1 IE Rheostat, 2 3B
Transformers.
Loud Speaker Cord, 20 feet, 4 tips, list $1.25, our price.
GRID-LEAKS
AUDIOPHONE LOUD SPEAKER (Large Size) $22.50
.75
Our List Price Variable Condenser, .0005 (Same
as 23 plate) $5.50 $3.00
Variable Condenser with Vernier,
.0005 (Same as 23 plate).... 6.50 4.50
Variable Condenser, .001 (Same
as 45 plate) 6.00 3.50
Variable Condenser, with Vernier,
.001 7.50 5.00
Walnert Variable Condenser,
.00025 1.75
PRESTO AERIAL SUPER Our
SEDER ADJUSTABLE, List Price { can be attached to electric light socket or telephone. 3.00 2.00
ROGERS RECEIVING RADIOMETER, can be used like Radio Frequency Transformers
List Our Price Moulded Variometer ....$6.00 $4.39
Variometer, AH Circuit 5.50
B BATTERIES 0w
„ ~ . . List Price
Hipco B Batteries, 22^ volts $2.25 $1.75
Hipco B Batteries, 45 volts 4.50 3.50
TUBES
De Forest Tube, D V 6 $6.50 $5.00
W D-12 or C-12 6.50 5.45
W D-ll 6.so 5.4S
C-299 650 S-75
Cunningham 301 A 6.50 5.75
U. V. 200 Radiotron 5.00 4.35
Cleartone, Detector or Amplifier. 7.00 4.00
READEM BINDING POSTS. Set
composed of 1 antenna, 1 ground, 1 A Battery+, 1 A Battery—, 2 telephones, 1 B Battery+, 1 B Battery— $ .75
H. C. COIL MOUNTING
3.00
Rheostat, 6 or 25 ohms.
Freshman Grid-Leak with
Condenser $1.00 $ .79
Freshman Grid -Leak 75 .59
C. R. L Variable Grid-Leak
with Condenser 1.59
SWITCH LEVER
Switch Lever, 1-A, V/2" Radius, V/s Knob, & Shaft.. $ .75 $ .35 Hydrometer Perfect
.90
Combination Socket and Rheostat with Vernier... 3.00 2.29
B Metal Ever-Ready Tube Detector, Type B 1.50
Erla Reflex Crystal.
.89 .65
Our
List Price
Three Coil Mounting with Dial.. $5.00 $3.85
Geared Three Coil Mounting 5.00
WE ARE RESPONSIBLE FOLKS
MONEY PROMPTLY AND CHEERFULLY REFUNDED IF YOU ARE NOT SATISFIED
Everything in Radio Write Us
All Orders Mailed Promptly. Parcel Post Prepaid on $5.00 or Over
Quality Merchandise at Low Prices
Economical Radio House
4600 Lincoln Avenue CHICAGO
We Personally Guarantee All Goods