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4 avr. 1837 - TELEGRAPH

Description:

A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.

Ajouté au bande de temps:

MIL

ByPrecious Mae
14 déc. 2017

Date:

4 avr. 1837
Maintenaint
~ Il y a 187 ans

Les images:

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