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

[NB264081], Technical Note, William Alphonsus Hayes, December 23rd, 1920

Title: [NB264081], Technical Note, William Alphonsus Hayes, December 23rd, 1920
Author: Hayes, William Alphonsus
Date: 1920-12-23
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NB264-F
Microfilm ID: 241:1062
Document ID: NB264081
URL: https://edisondigital.rutgers.edu/document/NB264081
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