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[PT5107], Patent Application, Thomas Alva Edison, April 24th, 1919

Title: [PT5107], Patent Application, Thomas Alva Edison, April 24th, 1919
Author: Edison, Thomas Alva
Date: 1919-04-24
Type: Patent Application
Subject: Disc record and duplicating technology
Folder ID: PT5107-F
Microfilm ID: 247:288
Document ID: PT5107
URL: https://edisondigital.rutgers.edu/document/PT5107
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 247