Radio mirror (Jan-Oct 1923)

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