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[N022171], Technical Note, Charles Batchelor, Thomas Alva Edison, July 4th, 1879

Title: [N022171], Technical Note, Charles Batchelor, Thomas Alva Edison, July 4th, 1879
Editor's Notes: new Edison telephone - eh?; fr. 75ff a little clearer drawings of this design, adjusting pressure on rotating wheel, possibly emg
Author: Batchelor, Charles; Edison, Thomas Alva
Mentioned: Kruesi, John
Date: 1879-07-04
Type: Technical Note
Subject: Telephone
Folder ID: N022-F
Microfilm ID: 31:73
Document ID: N022171
URL: https://edisondigital.rutgers.edu/document/N022171
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 31