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[NB233023], Technical Note, William Alphonsus Hayes, April 18th, 1918

Title: [NB233023], Technical Note, William Alphonsus Hayes, April 18th, 1918
Author: Hayes, William Alphonsus
Date: 1918-04-18
Type: Technical Note
Subject: Military; Sound and acoustics
Folder ID: NB233-F
Microfilm ID: 239:953
Document ID: NB233023
URL: https://edisondigital.rutgers.edu/document/NB233023
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 239