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mar 25, 1857 - Phonautograph was patented.

Description:

A phonautograph is one of the earliest known ways of recording sound. The device was first patented on the 25th of March, 1857. It drew on glass as it received sound. These drawings were the first visual representation of sound.

Added to timeline:

7 months ago
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Music Technology

Date:

mar 25, 1857
Now
~ 161 years ago

Images:

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