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[NA365000A], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, February 21st, 1918

Title: [NA365000A], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, February 21st, 1918
Author: Hayes, William Alphonsus; Edison, Thomas Alva
Date: 1918-02-21
Type: Technical Note
Subject: Submarines and submarine warfare; Military; Sound and acoustics
Folder ID: NA365-F
Microfilm ID: 237:589
Document ID: NA365000A
URL: https://edisondigital.rutgers.edu/document/NA365000A
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 237