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4 abr 1774 ano - Electrostatic Telegraph

Descrição:

Georges Louis Lesage patents the electric telegraph. Electric Telegraph uses electric signals to send communication via radio or line. The telegraph had a separate wire for each of the 26 letters of the alphabet and its range was only between two rooms of his home.

Adicionado na linha do tempo:

INDUSTRIAL AGE

ByAly Jules
5 jan 2020
0
0
329

Data:

4 abr 1774 ano
Agora
~ 251 years ago

Imagens:

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