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[PT5090A], Technical Note, Thomas Alva Edison, September 13th, 1914

Title: [PT5090A], Technical Note, Thomas Alva Edison, September 13th, 1914
Author: Edison, Thomas Alva
Date: 1914-09-13
Type: Technical Note
Subject: Patent application; Miner's safety lamp
Folder ID: PT5090-F
Microfilm ID: 247:2
Document ID: PT5090A
URL: https://edisondigital.rutgers.edu/document/PT5090A
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