Thomas Alva Edison (1847-1931) American inventor, listening to a recording on an electric model of his phonograph powered by a wet battery. Engraving

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

Keywords: 1847-1931, alva, american, archival, archive, battery., edison, electric, engraving, historical, history, inventor, listening, model, phonograph, physics, powered, recording, scientist, sound, thomas, wet