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24 sept. 1877 - Fonografo

Description:

Edison aveva realizzato un ripetitore telegrafico in grado di incidere punti e linee del codice morse su un disco, nasce così il primo Fonografo

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ByFrancesca Previtali

20 nov. 2017

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Date:

24 sept. 1877

Maintenaint

~ Il y a 148 ans

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