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4 Apr 1774 Jahr - Electric Telegraph

Beschreibung:

Georges Louis Lesage patented the electric telegraph. It uses electric signals to send communication via radio or line.

Zugefügt zum Band der Zeit:

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ByMariella Gadin

10 Dez 2019

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0

333

Datum:

4 Apr 1774 Jahr

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~ 251 years ago

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