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[QP006370], Patent Issued, Thomas Alva Edison, April 24th, 1878

Title: [QP006370], Patent Issued, Thomas Alva Edison, April 24th, 1878
Author: Edison, Thomas Alva
Date: 1878-04-24
Type: Patent Issued
Subject: Cylinder phonograph; Cylinder record and duplicating technology
Folder ID: QP006-F
Microfilm ID: 117:259
Document ID: QP006370
URL: https://edisondigital.rutgers.edu/document/QP006370
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 117

Item sets: [QP006-F] National Phonograph Company v. American Graphophone Company