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[NS7813B], Technical Note, Charles Batchelor, January 8th, 1878

Title: [NS7813B], Technical Note, Charles Batchelor, January 8th, 1878
Author: Batchelor, Charles
Mentioned: Bergmann, Sigmund
Date: 1878-01-08
Type: Technical Note
Subject: Telephone
Folder ID: NS7813-F
Microfilm ID: 162:582
Document ID: NS7813B
URL: https://edisondigital.rutgers.edu/document/NS7813B
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 162