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1 gen 1880 anni - Invention of the photophone

Descrizione:

Alexander Graham Bell and Thomas Edison invented the Photophone. It could transfer sound, but they aimed for it to do the same with pictures and at a higher quality.

Aggiunto al nastro di tempo:

Television Timeline Barbara Lai

ByBarbara
12 set 2017

Data:

1 gen 1880 anni
Adesso
~ 144 years ago
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