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[QCB06096], Patent Caveat, Thomas Alva Edison, July 6th, 1875

Title: [QCB06096], Patent Caveat, Thomas Alva Edison, July 6th, 1875
Editor's Notes: Supplied year, month, and day
Author: Edison, Thomas Alva
Date: 1875-07-06
Type: Patent Caveat
Subject: Multiple telegraphy (duplex, quadruplex); Automatic telegraphy
Folder ID: QCB06-F
Microfilm ID: 9:389
Document ID: QCB06096
URL: https://edisondigital.rutgers.edu/document/QCB06096
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 9