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1 gen 1791 anni - Telegraph

Descrizione:

Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations.

Aggiunto al nastro di tempo:

Data:

1 gen 1791 anni
Adesso
~ 234 years ago

Immagini: