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[PT032AAB], Patent Application, Thomas Alva Edison, February 7th, 1887

Title: [PT032AAB], Patent Application, Thomas Alva Edison, February 7th, 1887
Author: Edison, Thomas Alva
Date: 1887-02-07
Type: Patent Application
Subject: Metals and minerals
Folder ID: PT032AAB-F
Microfilm ID: 114:7
Document ID: PT032AAB
URL: https://edisondigital.rutgers.edu/document/PT032AAB
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