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[NB239158], Technical Note, William Alphonsus Hayes, May 1920

Title: [NB239158], Technical Note, William Alphonsus Hayes, May 1920
Author: Hayes, William Alphonsus
Mentioned: Edison, Thomas Alva
Date: 1920-05-00
Type: Technical Note
Subject: Sound and acoustics
Folder ID: NB239-F
Microfilm ID: 240:231
Document ID: NB239158
URL: https://edisondigital.rutgers.edu/document/NB239158
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 240