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[NV11093], Technical Note, Charles Batchelor, Thomas Alva Edison, May 19th, 1877

Title: [NV11093], Technical Note, Charles Batchelor, Thomas Alva Edison, May 19th, 1877
Editor's Notes: spkg telegh, incl emg
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-05-19
Type: Technical Note
Subject: Telephone
Folder ID: NV11-F
Microfilm ID: 3:968
Document ID: NV11093
URL: https://edisondigital.rutgers.edu/document/NV11093
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 3