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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).

Zugefügt zum Band der Zeit:

New timeline

ByAmanda Lopez
14 Nov 2019

Datum:

12 März 1920 Jahr
Jetzt
~ 104 years ago

Abbildungen:

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