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12 März 1920 Jahr - first radio

Beschreibung:

Over several years starting in 1894 the Italian inventor Guglielmo Marconi built the first complete, commercially successful wireless telegraphy system based on airborne Hertzian waves (radio transmission).

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ByAmanda Lopez
14 Nov 2019
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Datum:

12 März 1920 Jahr
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~ 105 years ago

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