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Vintage Technology: Electronics-- BASIC RADIO CIRCUITRY, Learn How Radio Works, 1971 (History)
Vintage Technology History-- Electronics: BASIC RADIO CIRCUITRY: For discussion and comment, an educational review of the basic components of RADIO, history of development, how radio works, functions of vacuum tubes, transistors, resistors, capacitors, electromagnetic wave transmission, antennas and more. This partially restored 1971 film ...
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