Radio Broadcast (May 1928-Apr 1929)

Page scan 000664 from Radio Broadcast

Record Details:

Title:
Radio Broadcast
Date:
May 1928-Apr 1929
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000664
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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LIFE TEST FOR ALL TYPES OF RADIO VACUUM TUBES In the Van Corllundl Park Laboratories of the Radio Corporation of America there are facilities for testing 18,000 tabes simultaneously. The power required to furnish the plate current for these tubes is hOO kilowatts and the power used in heating the filaments is kilowatts! So great is the heat dissipated by the tubes under lest that a special ventilating system is necessary. The above picture shows a section of the racks in which the lubes are tested.