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[NA309AAA], Technical Note, Thomas Alva Edison, June 2nd, 1920

Title: [NA309AAA], Technical Note, Thomas Alva Edison, June 2nd, 1920
Author: Edison, Thomas Alva
Date: 1920-06-02
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NA309-F
Microfilm ID: 232:712
Document ID: NA309AAA
URL: https://edisondigital.rutgers.edu/document/NA309AAA
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 232