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25 apr 1836 anni - EL TELÉGRAFO

Descrizione:

David Alter, es un aparato que emplea señales electricas para la transmisión de mensajes de textos codificados, surgió en Elderton, Pensilvania.

Aggiunto al nastro di tempo:

Evolucion de la tecnologia AyD

Byalejandro marin

2 ott 2018

0

0

385

Data:

25 apr 1836 anni

Adesso

~ 189 years ago

Immagini:

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