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4 Apr 1774 Jahr - Electrostatic Telegraph

Beschreibung:

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.

Zugefügt zum Band der Zeit:

INDUSTRIAL AGE

ByAly Jules
5 Jan 2020
0
0
329

Datum:

4 Apr 1774 Jahr
Jetzt
~ 251 years ago

Abbildungen:

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