Scott's Phonautographe, Sound Recorder, 1857

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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1850s, 1857, 19th, art, bw, century, device, diagram, earliest, early, engraving, history, instrument, machine, mechanics, mechanism, phonautographe, phonograph, recorder, recording, science, scientific, scott, sound