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[NS84ACN3], Technical Note, John F Ott, Thomas Alva Edison, October 27th, 1884

Title: [NS84ACN3], Technical Note, John F Ott, Thomas Alva Edison, October 27th, 1884
Editor's Notes: huh? pulley and worm wheel----for emg telephone? Looks like dental drill.
Author: Ott, John F; Edison, Thomas Alva
Date: 1884-10-27
Type: Technical Note
Subject: Telephone
Folder ID: NS84-F
Microfilm ID: 162:742
Document ID: NS84ACN3
URL: https://edisondigital.rutgers.edu/document/NS84ACN3
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 162