Radio Broadcast (Nov 1923-Apr 1924)

Record Details:

Title:
Radio Broadcast
Date:
Nov 1923-Apr 1924
Publisher:
Garden City, N.Y., Doubleday, Page & company [etc.]
Volume:
Radio broadcast ..
Leaf #:
000337
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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WHOLESALE SOLDERING Cells are soldered in groups of three instead of five, although the latter would be easier, in order to reduce the voltage drop. In all the soldering and insulating a non-corrosive compound is used to flux the solder. Any other flux would cause current losses inside the finished battery block THE FINAL STEP IN MANUFACTURING The picture shows the process of pouring the sealing and insulating compound around the completed cells. One layer of the hot mixture, a layer of cheese cloth, to prevent the sealing mixture from cracking, and two additional layers of compound are added to the battery. The terminals are then tested for proper voltage, stamped, and the battery is finished