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[PT5117], Patent Application, Thomas Alva Edison, September 30th, 1919

Title: [PT5117], Patent Application, Thomas Alva Edison, September 30th, 1919
Author: Edison, Thomas Alva
Date: 1919-09-30
Type: Patent Application
Subject: Manufacturing; Metals and minerals
Folder ID: PT5117-F
Microfilm ID: 247:420
Document ID: PT5117
URL: https://edisondigital.rutgers.edu/document/PT5117
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