Radio Broadcast (May 1928-Apr 1929)

Record Details:

Title:
Radio Broadcast
Date:
May 1928-Apr 1929
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000504
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:
July 18, 2024
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72 RADIO BROADCAST ADVERTISER Completely wired PushPull Power Stage HANDLES ample power to faithfully reproduce full frequency range without tube overloading. Eliminates hum caused by raw AC on filaments of Power Tubes. Increases clarity, reality and volume. AmerTran gives you a unit in 4 types designed for practically any combination of speakers (including the new dynamic types), and power tubes. The type P — AmerTran power stage consists of a Type 151 Input and either a Type 152., 2.71, 2.00 or 362. Output transformer(depending upon the combination of power tubes and speaker desired) mounted on a metal base and wired to two power tube sockets with necessary 50,000 ohm resistance in the C — lead. Approximate shipping weight, 10 lbs. For complete information see any authorized AmerTran dealer or write to us direct, mentioning the speaker and tubes you intend using. Price completely wired and ready to install in set $36.00 without tubes. Licensed under Patents owned or controlled by R. C. A. and may be bought with tubes TRADE MARK REG.U.S.PAT.OFF" AMERICAN TRANSFORMER COMPANY Transformer Builders for more than 28 Years 285 Emmet Street, Newark, N. J. CARDWELL CONDENSERS The Taper Type Type "E Cardwell Unexcelled for Short Wave Hecei'vers Stability Is Vital in the short wave receiving circuit. The effect of a rising and falling note so often troublesome in CW code reception, due to instability in the circuit, will obviously play havoc with broadcast reception on the short waves, if at all pronounced. CARDWELL TAPER PLATE CONDENSERS are rigid and vibrationless and will absolutely hold their calibration, thus eliminating one of the important causes of circuit instability in short wave receivers. The tuning curve is ideal, midway between SLW and SFL. attained without eccentrically shaped plates, thus concentrating the weight of the rotor close to the shaft. It will pay you to investigate. Transmitting Condensers for powers up to 50A'IV and more. Receiving Condtmsers in all standard capacities. Send for literature. All good dealers carry Cardwell Condensers. If your dealer dors not, send to us direct. ■%> # # ^> <§> # # The Allen D. Cardwell Mfg. Corp. 81 Prospect Street Brooklyn, N. Y. 'The Standard of Comparison''' DON'T let the "static" that comes in over the house lighting system from motors, street cars, telephones and electrical appliances mar your radio programs with blare, squeal, fry and scratch ! Plug in a Falck Claroceptor between wall socket and set and have clearer A.C. reception. A wonderful new improvement by a pioneer radio equipment manufacturer. Grounds and thus blocks out line interference noise and radio frequency disturbances. Also improves selectivity and distance. Requires no changes in set. Measures just 'iVzK-SVz'x.zVz inches. Tested, proved. Praised by thousands. Get one right away — -at radio parts dealers. Write for descriptive folder. $7.50 complete with cord and plug CLAROCEPTOR Built by ADVANCE ELECTRIC CO. 1260 W. Second St. Los Angeles. Calif. JOBBERS and DEALERS, GET OUR PROPOSITION Di.Lee With the same creative enthusiasm that 4 produced the first radio vacuum tube 4 (1906) Dr. DeForest has now developed ► the perfected Audion. When you replace your tubes with DeForest Audions you will experience a new enjoyment in clarified reception. Send today for your free copy of the interesting booklet by the " Father of Radio." DeForest Radio Co. JERSEY CITY N.J. Sold for THE AMERICAN SOCIETY FOR THE CONTROL OF CANCER You may save VALUABLE LIVES by buying these CHRISTMAS LABELS I Mail a post card to THE AMERICAN SOCIETY FOR THE CONTROL OF CANCER 34 East 75th Street New York City