Radio Broadcast (Nov 1923-Apr 1924)

Record Details:

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New Equipment BRANDES TABLE-TALKER Another loud speaker. Neat in appearance and very satisfactory in operation. C. Brandes, Inc., 237 Lafayette St., New York City. Price $10 AMSCO COMPENSATING CONDENSER A very efficient means of neutralizing the tube capacity in R. F. amplifiers, also eliminates the necessity for a potentiometer. Amsco Products, Inc., Broome & Lafayette Sts., New York City CARTER JACK SWITCH One of the many types made to serve various purposes. The switch illustrated closes two contacts and may be used to cut in a second headset, also for adding a second cell in parallel. Carter Radio Co., 209 S. State St., Chicago, III. isni RADIO FREQUENCY AMPLIFIER UNIT The Model 5 Ballantine R. F. Amplifier Unit. A very compact and efficient unit comprising the variotransformer, tube socket and rheostat wired to make a complete stage of R. F. amplification. Boonton Rubber Mfg. Co., Boonton, New Jersey. Price $15 eveready "skyscraper" b battery A new development in B batteries which allows larger capacity for the small space it requires. National Carbon Company, Inc., Long Island City, New York. Price $2.25 REMLER VARIOMETER Made by the Remler Radio Mfg. Co. It has a fairly wide wavelength range, is ruggedly built, and may be used for either panel or table mounting. Price $7.50