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[NA231AAB], Technical Note, Thomas Alva Edison, April 20th, 1912

Title: [NA231AAB], Technical Note, Thomas Alva Edison, April 20th, 1912
Author: Edison, Thomas Alva
Date: 1912-04-20
Type: Technical Note
Subject: Cylinder phonograph; Cylinder recording & reproducing apparatus
Folder ID: NA231-F
Microfilm ID: 228:343
Document ID: NA231AAB
URL: https://edisondigital.rutgers.edu/document/NA231AAB
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 228