Image: Glass phonograph disk with photographic emulsion, Alexander Graham Bell, made November 17, 1885 - National Museum of American History - DSC00110
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Original image (3,621 × 3,786 pixels, file size: 7.8 MB, MIME type: image/jpeg)
Description: Exhibit in the National Museum of American History, Washington, DC, USA. Photography was permitted in the museum without restriction.
Title: Glass phonograph disk with photographic emulsion, Alexander Graham Bell, made November 17, 1885 - National Museum of American History - DSC00110
Credit: Own work
Author: Daderot
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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