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dec 12, 1901 - Une Communication en morse est établie sur 3400 Km.
Description:
l'ingenieur italien marconi en est l'auteur.
Added to timeline:
Les evolutions technologiques,comment communiquer a distance ?
By
stefan
29 Mar 2021
2
2
4853
Date:
dec 12, 1901
Now
~ 123 years ago
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