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[PT032AAR], Patent Application, Thomas Alva Edison, January 21st, 1888

Title: [PT032AAR], Patent Application, Thomas Alva Edison, January 21st, 1888
Editor's Notes: Patent appl wax phonogram blanks, with object of improving articulation of phonograph; accomplished by burnishing Filed 30 January.
Author: Edison, Thomas Alva
Date: 1888-01-21
Type: Patent Application
Subject: Cylinder record and duplicating technology
Folder ID: PT032AAR-F
Microfilm ID: 114:251
Document ID: PT032AAR
URL: https://edisondigital.rutgers.edu/document/PT032AAR
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 114
License: CC0 1.0 Universal