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[PT5140], Patent Application, Thomas Alva Edison, October 1st, 1926

Title: [PT5140], Patent Application, Thomas Alva Edison, October 1st, 1926
Author: Edison, Thomas Alva
Date: 1926-10-01
Type: Patent Application
Subject: Disc record and duplicating technology
Folder ID: PT5140-F
Microfilm ID: 247:695
Document ID: PT5140
URL: https://edisondigital.rutgers.edu/document/PT5140
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