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 #:
000879
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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PAM 16 or 17. List Price without tubes, $125.00 The installation, the dealer and the PRODUCT Foreseeing the business possibilities of educational broadcasts, Harold Batchelder, proprietor of the Garden City Radio Company, Newtonville, Massachusetts, installed in the Frank A. Day Junior High School, Newtonville, a receiving set and "PAM" amplifier, which proved to be the forerunner of many other school installations he has made. Other radio dealers have foreseen the possibilities of "PAM" amplifiers not only for this use, but for many other purposes, and are working hard on this profit-making non seasonal item. What do you foresee? The PAM-17 is identical with the PAM-16 except that it furnishes in addition field current for a dynamic speaker designed to have its field energized by 90 to 165 volts direct current. For all other types of speakers, including dynamics, having their field energized from storage battery or AG 110-volt, 60-cycle, use the PAM-16. Both amplifiers are designed to operate from 105 to 120 volts, 50 or 60 cycles AG. Write for handsome folder R B-6 describing the above and other PAM Amplifiers which are also a "Sound Investment." Main Office: Factories at Canton and Watertown, Mass.