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[PT5040], Patent Application, Thomas Alva Edison, January 2nd, 1912

Title: [PT5040], Patent Application, Thomas Alva Edison, January 2nd, 1912
Author: Edison, Thomas Alva
Date: 1912-01-02
Type: Patent Application
Subject: Disc record and duplicating technology
Folder ID: PT5040-F
Microfilm ID: 245:546
Document ID: PT5040
URL: https://edisondigital.rutgers.edu/document/PT5040
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 245