My electronics and radio notebook from 1963-1965 year. Crystal radio, transistor radio, tube radio
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RADIO casera SIN ELECTRICIDAD. Fabricación a mano de la RADIO GALENA y su curioso funcionamiento
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1921 Westinghouse Aeriola Jr. Crystal Radio
23:58
Free Electricity from local radio station. Harnessing RF to power LEDS
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How tough can the FM IF alignment be? - Tube Radio Restoration Back to Basics part 11 #pcbway#
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Make a Crystal Radio Receiver - Part 2 - Making and Building the Scout's Crystal Set
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The Transistor: a 1953 documentary, anticipating its coming impact on technology
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Very simple MW Superheterodyne radio.
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