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1 gen 1830 anni - Telegraph

Descrizione:

-developed in the 1930s to 1940s
-revolutionized long distance communication
-worked by transmitting electrical signals over a wire laid between stations

Exposure: I wasn't born yet

Aggiunto al nastro di tempo:

17 dic 2018
0
0
740

Data:

1 gen 1830 anni
Adesso
~ 195 years ago

Immagini: