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[NV12085], Technical Note, Thomas Alva Edison, Charles Batchelor, August 3rd, 1877

Title: [NV12085], Technical Note, Thomas Alva Edison, Charles Batchelor, August 3rd, 1877
Editor's Notes: spkgy tel circuits and details, incl emg
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-08-03
Type: Technical Note
Subject: Telephone
Folder ID: NV12-F
Microfilm ID: 4:35
Document ID: NV12085
URL: https://edisondigital.rutgers.edu/document/NV12085
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 4