 LINES OF SILVER INK REPLACE WIRING IN MIDGET RADIO SETSCD 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.
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