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

[NB263131], Technical Note, George Edwin Hart, February 3rd, 1921

Title: [NB263131], Technical Note, George Edwin Hart, February 3rd, 1921
Author: Hart, George Edwin
Mentioned: Edison, Thomas Alva
Date: 1921-02-03
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NB263-F
Microfilm ID: 241:978
Document ID: NB263131
URL: https://edisondigital.rutgers.edu/document/NB263131
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 241
License: CC0 1.0 Universal