Video : Thomas Edison's phonograph marked the start of recorded sound's era.

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Thomas Alva Edison

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| Artist: Levin C. Handy (per http://hdl.loc.gov/loc.pnp/cwpbh.04326) | Credit: This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID cwpbh.04044.This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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