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[NV17142], Technical Note, Charles Batchelor, Thomas Alva Edison, August 29th, 1878

Title: [NV17142], Technical Note, Charles Batchelor, Thomas Alva Edison, August 29th, 1878
Editor's Notes: dictating phon regulator
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-08-29
Type: Technical Note
Subject: Cylinder phonograph
Folder ID: NV17-F
Microfilm ID: 4:1005
Document ID: NV17142
URL: https://edisondigital.rutgers.edu/document/NV17142
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
License: CC0 1.0 Universal