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1 Jan 1774 Jahr - Electric Telegraph (1774)

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Datum:

1 Jan 1774 Jahr
Jetzt
~ 251 years ago

Abbildungen: