Thomas Alva Edison (1847-1931) American inventor, with early hand-driven model of his phonograph. Engraving published 1878

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1847-1931, 1878, alva, american, archival, archive, early, edison, engraving, hand-driven, historical, history, inventor, model, phonograph., physics, published, scientist, sound, thomas