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[PT5127], Patent Application, Thomas Alva Edison, February 8th, 1922

Title: [PT5127], Patent Application, Thomas Alva Edison, February 8th, 1922
Author: Edison, Thomas Alva
Date: 1922-02-08
Type: Patent Application
Subject: Disc record and duplicating technology
Folder ID: PT5127-F
Microfilm ID: 247:511
Document ID: PT5127
URL: https://edisondigital.rutgers.edu/document/PT5127
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 247