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[NM007163], Technical Note, Thomas Alva Edison, Charles Batchelor, February 9th, 1874

Title: [NM007163], Technical Note, Thomas Alva Edison, Charles Batchelor, February 9th, 1874
Editor's Notes: Supplied year
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1874-02-09
Type: Technical Note
Subject: Automatic telegraphy
Folder ID: NM007-F
Microfilm ID: 6:186
Document ID: NM007163
URL: https://edisondigital.rutgers.edu/document/NM007163
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
License: CC0 1.0 Universal