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[NM007195], Technical Note, Charles Batchelor, May 15th, 1874

Title: [NM007195], Technical Note, Charles Batchelor, May 15th, 1874
Author: Batchelor, Charles
Date: 1874-05-15
Type: Technical Note
Subject: Automatic telegraphy
Folder ID: NM007-F
Microfilm ID: 6:202
Document ID: NM007195
URL: https://edisondigital.rutgers.edu/document/NM007195
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