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4 apr 1774 anni - Electric Telegraph

Descrizione:

Georges Louis Lesage patents the electric telegraph. Electric Telegraph uses electric signals to send communication via radio or line. This was used as a communication of people but only inside the same country.

Aggiunto al nastro di tempo:

The Evolution of Media

Bycha
27 nov 2018
0
0
442

Data:

4 apr 1774 anni
Adesso
~ 251 years ago

Immagini:

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