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[NE1691057A], Technical Note, Charles Batchelor, December 26th, 1875

Title: [NE1691057A], Technical Note, Charles Batchelor, December 26th, 1875
Author: Batchelor, Charles
Date: 1875-12-26
Type: Technical Note
Subject: Acoustic telegraphy
Folder ID: NE1691-F
Microfilm ID: 2:221
Document ID: NE1691057A
URL: https://edisondigital.rutgers.edu/document/NE1691057A
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University