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[NB263181], Technical Note, George Edwin Hart, March 30th, 1921

Title: [NB263181], Technical Note, George Edwin Hart, March 30th, 1921
Author: Hart, George Edwin
Date: 1921-03-30
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NB263-F
Microfilm ID: 241:1003
Document ID: NB263181
URL: https://edisondigital.rutgers.edu/document/NB263181
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