The first sound to be recorded by a machine wasn't intended ever to be heard again—but modern researchers found a way around that problem.
Poetry Sound Library Blog - POETRY SOUND LIBRARY
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Scott Edison's Instagram, Twitter & Facebook on IDCrawl
Phonautograph, recording device
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Evolution Of Inventions: JOURNEY OF SOUND RECORDING
The invention of sound hi-res stock photography and images - Alamy
TIMELINE THE EVOLUTION OF MUSIC TECHNOLOGY 1859 Frenchman Édouard-Léon Scott de Martinville invents the first device capable of recording sound. Know. - ppt download
History amended by earliest recording of sound
Edouard-Leon Scott de Martinville: Recorded Sound's True Inventor
Phonograph 1877 hi-res stock photography and images - Alamy