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4 apr 1837 anni - TELEGRAPH

Descrizione:

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

Aggiunto al nastro di tempo:

MIL

14 dic 2017

0

0

559

Data:

4 apr 1837 anni

Adesso

~ 188 years ago

Immagini:

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