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[NV14127], Technical Note, Thomas Alva Edison, June 19th, 1878

Title: [NV14127], Technical Note, Thomas Alva Edison, June 19th, 1878
Author: Edison, Thomas Alva
Date: 1878-06-19
Type: Technical Note
Subject: Telephone; Microphone and other acoustic devices
Folder ID: NV14-F
Microfilm ID: 4:282
Document ID: NV14127
URL: https://edisondigital.rutgers.edu/document/NV14127
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