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1946 - silver lines replace copper wires in radio circuits

LINES OF SILVER INK REPLACE WIRING IN MIDGET RADIO SETS

CD 1967069 E&MP106.110 and 115.001

Radio

April 7, 1946

Silver lines replace copper wires in the "printed" method developed for radio circuits in radio proximity [sic] fuze. One of the new tiny circuits utilizing midget tubes is shown beside the same circuit as produced by conventional methods. 


Original Caption by Science Service
Science Service



National Museum of American History

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