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4 ore 6 dic 1878 anni - Switch board
Descrizione:
The first phone with a manual switch board was invented in 1878 and it was first debuted in Boston
Aggiunto al nastro di tempo:
The History of Phones Timeline
By
Sathmini BATAGODA
29 nov 2017
0
0
631
Data:
4 ore 6 dic 1878 anni
Adesso
~ 145 years ago
Immagini:
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