Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Caption: The Invention of the Phonograph Marker, Plaque 4
Additional Description: "Edisonís Phonograph & Sound Recording Patents"
Submitted: December 15, 2020, by Larry Gertner of New York, New York.
Database Locator Identification Number: p557184
File Size: 1.329 Megabytes
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