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[NB239007], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), April 1918

Title: [NB239007], Technical Note, William Alphonsus Hayes, Fehen (Edison Employee), April 1918
Author: Hayes, William Alphonsus; Fehen (Edison Employee)
Mentioned: Holland, Newman Henry; Deans, William; Telfair, William De Mille
Date: 1918-04-00
Type: Technical Note
Subject: Military; Sound and acoustics
Folder ID: NB239-F
Microfilm ID: 240:162
Document ID: NB239007
URL: https://edisondigital.rutgers.edu/document/NB239007
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 240