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[PT5103], Patent Application, Thomas Alva Edison, October 23rd, 1918

Title: [PT5103], Patent Application, Thomas Alva Edison, October 23rd, 1918
Author: Edison, Thomas Alva
Date: 1918-10-23
Type: Patent Application
Subject: Microphone and other acoustic devices
Folder ID: PT5103-F
Microfilm ID: 247:156
Document ID: PT5103
URL: https://edisondigital.rutgers.edu/document/PT5103
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 247