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[PT5132], Patent Application, Thomas Alva Edison, June 28th, 1923

Title: [PT5132], Patent Application, Thomas Alva Edison, June 28th, 1923
Author: Edison, Thomas Alva
Date: 1923-06-28
Type: Patent Application
Subject: Metals and minerals; Phonograph
Folder ID: PT5132-F
Microfilm ID: 247:622
Document ID: PT5132
URL: https://edisondigital.rutgers.edu/document/PT5132
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 247
License: CC0 1.0 Universal