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[NA227AAD], Technical Note, Thomas Alva Edison, March 20th, 1913

Title: [NA227AAD], Technical Note, Thomas Alva Edison, March 20th, 1913
Author: Edison, Thomas Alva
Date: 1913-03-20
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NA227-F
Microfilm ID: 228:67
Document ID: NA227AAD
URL: https://edisondigital.rutgers.edu/document/NA227AAD
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 228