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21 nov 1877 anni - Thomas Edison announces his invention

Descrizione:

Thomas Edison announces his invention of the phonograph, a machine that can record sound, considered Edison's first great invention. Edison demonstrates the device for the first time on November 29.

Aggiunto al nastro di tempo:

political timeline

ByBarron Byers
22 feb 2022
1
0
182

Data:

21 nov 1877 anni
Adesso
~ 147 years ago
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