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[NM005053], Technical Note, Thomas Alva Edison, April 17th, 1873

Title: [NM005053], Technical Note, Thomas Alva Edison, April 17th, 1873
Author: Edison, Thomas Alva
Date: 1873-04-17
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NM005-F
Microfilm ID: 6:54
Document ID: NM005053
URL: https://edisondigital.rutgers.edu/document/NM005053
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 6