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[NV14132], Technical Note, Thomas Alva Edison, John Kruesi, Charles Batchelor, Martin N Force, George E Carman, June 21st, 1878

Title: [NV14132], Technical Note, Thomas Alva Edison, John Kruesi, Charles Batchelor, Martin N Force, George E Carman, June 21st, 1878
Author: Carman, George E; Force, Martin N; Batchelor, Charles; Kruesi, John; Edison, Thomas Alva
Date: 1878-06-21
Type: Technical Note
Subject: Telephone; Microphone and other acoustic devices
Folder ID: NV14-F
Microfilm ID: 4:288
Document ID: NV14132
URL: https://edisondigital.rutgers.edu/document/NV14132
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