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[PT007B007], Patent Caveat, Thomas Alva Edison, January 26th, 1874

Title: [PT007B007], Patent Caveat, Thomas Alva Edison, January 26th, 1874
Author: Edison, Thomas Alva
Mentioned: Batchelor, Charles
Date: 1874-01-26
Type: Patent Caveat
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: PT007B-F
Microfilm ID: 8:855
Document ID: PT007B007
URL: https://edisondigital.rutgers.edu/document/PT007B007
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 8
License: CC0 1.0 Universal