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25 avr. 1887 - Edison invents the New Phonograph

Description:

Utilizes a motor that records the sound waves by itself and a constant pitch

Ajouté au bande de temps:

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ByMaya Silverman
17 oct. 2018
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0
488

Date:

25 avr. 1887
Maintenaint
~ Il y a 138 ans
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