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1 gen 1830 anni - Telegraph

Descrizione:

The telegraph revolutionized long distance communication by transmitting electrical signals over a wire laid between two stations. These electrical signals carried a message which is to be received by one of the stations.

Aggiunto al nastro di tempo:

11 dic 2019
0
0
264

Data:

1 gen 1830 anni
Adesso
~ 195 years ago