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[NS7808B], Technical Note, Thomas Alva Edison, Charles Batchelor, 1878

Title: [NS7808B], Technical Note, Thomas Alva Edison, Charles Batchelor, 1878
Editor's Notes: phonomotor
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1878-00-00
Type: Technical Note
Subject: Microphone and other acoustic devices
Folder ID: NS7808-F
Microfilm ID: 7:882
Document ID: NS7808B
URL: https://edisondigital.rutgers.edu/document/NS7808B
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 7
License: CC0 1.0 Universal