Radio Broadcast (May-Oct 1925)

Record Details:

Title:
Radio Broadcast
Date:
May-Oct 1925
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000339
Language:
English
Subjects:
radio periodical, Radio -- Periodicals
Contributor:
Library of Congress, MBRS, Recorded Sound Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Radio Broadcast supported home listeners of the new technology of radio – for building or buying a receiving set to explaining the technology used by the new radio stations. Throughout the magazine shows the cultural influence of radio as it evolved from hobbyist to mainstream. -- David Pierce, 2011
Date Added:
September 29, 2022
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RADIO BROADCAST ADVERTISER 315 Make your set a Super-Het! by adding the new, revolutionary O'Connor Frequency Changer as described in the June issue of Radio Broadcast. Only one extra tube is necessary. It's easy to build and the results obtained equal the best Super-Het. Mr. A. O'Connor has specified the EASTERN PICKLE BOTTLE COUPLER (Type FC) for use in his remarkable Frequency Changer. Type FC Coupler, price $(y.OQ EASTERN PICKLE BOTTLE COILS are also designed for perfect performance in the Roberts Circuit ($8.50 per set), DX Superdyne, ($8 per set), 3 Circuit ($6) and for Tuned R. F. for .0005 or .00035 condensers ($2 per coil). At your dealers or direct, postpaid. EASTERN COIL CORPORATION ^ 22 Warren Street Dept. R. B. New York ^ COILS Professional Set Builders! and dealers <who build sets TX7E will shortly begin a series of newspaper advertisements featuring the work of individuals and dealers who build sets using Cardwell Condensers. If you build to specification or from original design, it will be to your interest to communicate with us immediately. Ask for details of plan. Be sure to give name of your jobber, ALLEN D. CARDWELL MANUFACTURING CORP. 81 Prospect Street, Brooklyn, N. Y. non overcome by volume Static is diminished in proportion to the amount of volume which a radio set delivers, experts agree. Kellogg transformers give volume with added clarity of tone. The Kellogg radio frequency transformer is of the low loss type, having many important features. It will operate at all wavelengths with .00035 to .0005 vari' able condensers. For best results, use the Kellogg .0005 low loss variable condenser. Kellogg R. F. Transformers at all dealers $2.35. Kellogg Audio frequency transformers give greater volume with clearer reproduction, due to the high quality materials and expert workmanship, used in the Kellogg process of manufacture. Kellogg audio fre* quency transformers are made in both shielded and unshielded types ranging in price from $3.50 to $4.50 Kellogg transformers can be obtained at all radio dealers KELLOGG SWITCHBOARD & SUPPLY CO. 1066 W. Adams St., Chicago, Illinois it Tested and approved by Radio Broadcast if