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April 1, 2024
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1 gen 1878 anni - First swithboard
Descrizione:
the first manual switchboard was installed in boston
Aggiunto al nastro di tempo:
30 ott 2018
0
0
334
Technology project
history of phones
Data:
1 gen 1878 anni
Adesso
~ 146 years ago
Immagini: