Category:Practical Radio (1922)
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Media in category "Practical Radio (1922)"
The following 7 files are in this category, out of 7 total.
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Crystal radio in a parasol.jpg 710 × 681; 73 KB
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John Milton Miller.jpg 676 × 914; 144 KB
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Marconi Carnarvon transmitter valves.jpg 992 × 952; 275 KB
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Sealed cat whisker detector.jpg 499 × 499; 46 KB
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Single tube triode receiver circuit.png 835 × 456; 58 KB
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Western Electric triode.jpg 462 × 834; 64 KB
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Wire inverted L antenna construction.png 1,676 × 954; 180 KB