Radio Broadcast (May 1929-Apr 1930)

Record Details:

Title:
Radio Broadcast
Date:
May 1929-Apr 1930
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000213
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. Screen Grid Tubes and Power Detectors Get the Thordarson August Bulletin Input Couplings Speaker Couplings Filament Supply Power Compacts For the new "245" power tubes — single or push-pull — and the new screen grid power detector. DAR Transformer Specialists Since 1895 THORDARSON ELECTRIC MFG. CO. Huron, Kingsbury and Larrabee Streets Chicago, III. Potter True-Tone Electrostatic Reproducer NEW DESIGN NEW PERFORMANCE NEW APPEARANCE Created Great Sensation at R. M. A. Show Potter Type "BE" Electrochemical Condenser Ideal for Filter Blocks (Edelman Patents) The Potter Co. North Chicago, Illinois A National Organization at Your Service With an Audio-System really Designed for ShortWave Work Operates from NATIONAL Velvet-B Write us today for full details A special audio system has been built for this Double-Duty National THRILL BOX SW-4. It embodies new improvements on the former NATIONAL Impedaformers, permitting the use of a high-mu audio tube and giving a very high audio-gain. The two audio-units are placed in one case for compactness and to make wiring more simple. And the SW-4 is designed for stable and quiet operation with a 200-A detector — an added and unusual advantage. Every other detail is just as carefully thought out. The SW-4 is not a copy — it bristles with new and ingenious details for your convenience and pleasure. INI^TDONIAIL 4 Tube THRILL BOX SW-4 NATIONAL CO. INC., Maiden, Mass. Est. <$> 1914 Three of a ki\i> NEW YORK PLANT 829-839 E. 134th St. — where Polymet Condensers and Resistances are made. COILTON DIVISION Easton, Fa., the home of Poly-Coils. STRAND & SWEET DIVISION Winsted , Conn. — where Polymet enameled magnet wire is manufac tured. The Three New Plants of c§V POIYMET The seal of good radio set essentials POLYMET MANUFACTURING CORPORATION 837 East 134th Street New York City POLYMET PRODUCTS PLUG in a Falck Claroceptor between wall socket and radio set and eliminate "static" from motors, street cars, telephones and electrical appliances. This new improvement by a pioneer radio parts 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 3^2 x $y2 x 2]/2 inches. Thousands now all over America use the Claroceptor for clearer A. C. reception. 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 • AUGUST • 1929 • • 19 1