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[PT032ACU], Patent Application, Thomas Alva Edison, December 20th, 1890

Title: [PT032ACU], Patent Application, Thomas Alva Edison, December 20th, 1890
Author: Edison, Thomas Alva
Date: 1890-12-20
Type: Patent Application
Subject: Phonograph equipment and accessories
Folder ID: PT032ACU-F
Microfilm ID: 114:1048
Document ID: PT032ACU
URL: https://edisondigital.rutgers.edu/document/PT032ACU
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