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[QP005-F] American Graphophone Company v. National Phonograph Company

Title: [QP005-F] American Graphophone Company v. National Phonograph Company
Description: This is one of a number of suits between the American Graphophone Co. and the National Phonograph Co. concerning recording cylinder technology. This case contains testimony relating to the work conducted at the West Orange Laboratory by Edison and his assistants. Only the testimony of chemist Jonas Walter Aylsworth has been selected.
URL: https://edisondigital.rutgers.edu/folder/QP005-F
Identifier: QP005-F
Type: Litigation
Rights: Courtesy of Thomas Edison National Historical Park.
Is Part Of: Litigation Series -- Phonograph Cases
Alternative Title: American Graphophone Company v. National Phonograph Company
Has Version: Archive.org Viewer, Microfilm Series Reel 116

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