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[NA365000E], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, March 4th, 1918

Title: [NA365000E], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, March 4th, 1918
Author: Hayes, William Alphonsus; Edison, Thomas Alva
Date: 1918-03-04
Type: Technical Note
Subject: Aviation; Military; Sound and acoustics
Folder ID: NA365-F
Microfilm ID: 237:622
Document ID: NA365000E
URL: https://edisondigital.rutgers.edu/document/NA365000E
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