public marks

PUBLIC MARKS from rike_ with tag phonautograph

07 January 2008 13:30

Leon Scott

Edouard-Leon Scott de Martinville was born in France in 1817. As a printer by trade, he was able to read accounts of the latest scientific discoveries and became an inventor. On March 25, 1857, he received French patent #17,897/31,470 for the phonautograph.

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