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[NM005057], Technical Note, Thomas Alva Edison, September 10th, 1874

Title: [NM005057], Technical Note, Thomas Alva Edison, September 10th, 1874
Author: Edison, Thomas Alva
Date: 1874-09-10
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NM005-F
Microfilm ID: 6:56
Document ID: NM005057
URL: https://edisondigital.rutgers.edu/document/NM005057
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 6