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

[NB264123], Technical Note, William Alphonsus Hayes, April 1st, 1921

Title: [NB264123], Technical Note, William Alphonsus Hayes, April 1st, 1921
Author: Hayes, William Alphonsus
Date: 1921-04-01
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NB264-F
Microfilm ID: 241:1091
Document ID: NB264123
URL: https://edisondigital.rutgers.edu/document/NB264123
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 241