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[NS7602K], Technical Note, Charles Batchelor, January 1st, 1876

Title: [NS7602K], Technical Note, Charles Batchelor, January 1st, 1876
Author: Batchelor, Charles
Date: 1876-01-01
Type: Technical Note
Subject: Acoustic telegraphy
Folder ID: NS7602-F
Microfilm ID: 7:371
Document ID: NS7602K
URL: https://edisondigital.rutgers.edu/document/NS7602K
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 7