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4 abr 1774 ano - Electric Telegraph

Descrição:

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.

Adicionado na linha do tempo:

The Evolution of Media

Bycha
27 nov 2018
0
0
441

Data:

4 abr 1774 ano
Agora
~ 251 years ago

Imagens:

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