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12 marzo 1920 anni - first radio

Descrizione:

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).

Aggiunto al nastro di tempo:

New timeline

ByAmanda Lopez
14 nov 2019

Data:

12 marzo 1920 anni
Adesso
~ 104 years ago

Immagini:

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