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1 gen 1876 anni - Teléfono - 1876

Descrizione:

Elisha Gray y Alejandro Graham Bell compitieron cerradamente para construir el primer teléfono funcional hasta que en 1876 Graham Bell ganó (por poco). En la actualidad, se estima que hay unas 1,300 millones de líneas telefónicas en el mundo.

Aggiunto al nastro di tempo:

Inventos que revolucionaron el mundo

ByHUGO VARELA
21 set 2018
0
0
331

Data:

1 gen 1876 anni
Adesso
~ 148 years ago

Immagini:

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