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12 mars 1920 - first radio

Description:

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).

Ajouté au bande de temps:

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ByAmanda Lopez
14 nov. 2019
0
0
107

Date:

12 mars 1920
Maintenaint
~ Il y a 104 ans

Les images:

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