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[PT020232], Patent Application, Thomas Alva Edison, December 14th, 1880

Title: [PT020232], Patent Application, Thomas Alva Edison, December 14th, 1880
Author: Edison, Thomas Alva
Date: 1880-12-14
Type: Patent Application
Subject: Telegraph
Folder ID: PT020-F
Microfilm ID: 45:723
Document ID: PT020232
URL: https://edisondigital.rutgers.edu/document/PT020232
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 45