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[NV14167], Technical Note, Thomas Alva Edison, Charles Batchelor, March 1st, 1879

Title: [NV14167], Technical Note, Thomas Alva Edison, Charles Batchelor, March 1st, 1879
Editor's Notes: measured drawing improved magneto telephone Order 31
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1879-03-01
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:322
Document ID: NV14167
URL: https://edisondigital.rutgers.edu/document/NV14167
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