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20 nov 1855 anni - Telegraph (1855)

Descrizione:

The telegraph revolutionized long distance communication. It worked by tansmittng electrical signals between stations of textual or symbolic messages ( morse code).

Aggiunto al nastro di tempo:

The Evolution of Traditional to New Media

ByChynna Pepito
26 nov 2018

Data:

20 nov 1855 anni
Adesso
~ 168 years ago

Immagini:

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