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[NB263109], Technical Note, George Edwin Hart, January 21st, 1921

Title: [NB263109], Technical Note, George Edwin Hart, January 21st, 1921
Author: Hart, George Edwin
Date: 1921-01-21
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NB263-F
Microfilm ID: 241:967
Document ID: NB263109
URL: https://edisondigital.rutgers.edu/document/NB263109
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