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[A238C] Technical Note, 1873-1874

Title: [A238C] Technical Note, 1873-1874
Author: Batchelor, Charles
Date: 1873-1874
Type: Technical Note
Subject: Automatic telegraphy
Folder ID: A238-F
Microfilm ID: 21:514
Document ID: A238C
URL: https://edisondigital.rutgers.edu/document/A238C
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 21