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[NA265AAC], Technical Note, Thomas Alva Edison, March 9th, 1917

Title: [NA265AAC], Technical Note, Thomas Alva Edison, March 9th, 1917
Author: Edison, Thomas Alva
Date: 1917-03-09
Type: Technical Note
Subject: Military; Microphone and other acoustic devices; Phonograph; Sound and acoustics
Folder ID: NA265-F
Microfilm ID: 230:385
Document ID: NA265AAC
URL: https://edisondigital.rutgers.edu/document/NA265AAC
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 230