Thomas A. Edison Papers Image Edition · Thomas Edison Papers Digital Edition

[NB239147], Technical Note, William Alphonsus Hayes, February 1920

Title: [NB239147], Technical Note, William Alphonsus Hayes, February 1920
Author: Hayes, William Alphonsus
Date: 1920-02-00
Type: Technical Note
Subject: Phonograph recordings; Sound and acoustics
Folder ID: NB239-F
Microfilm ID: 240:225
Document ID: NB239147
URL: https://edisondigital.rutgers.edu/document/NB239147
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