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[NB254A55], Technical Note, Elmer Ellsworth Dougherty, January 6th, 1920

Title: [NB254A55], Technical Note, Elmer Ellsworth Dougherty, January 6th, 1920
Author: Dougherty, Elmer Ellsworth
Mentioned: Edison Phonograph Works; Edison, Thomas Alva; Detlef, Frank, Jr
Date: 1920-01-06
Type: Technical Note
Subject: Electric battery; Chemicals, chemical products, and chemical processes; Disc record and duplicating technology
Folder ID: NB254A-F
Microfilm ID: 241:380
Document ID: NB254A55
URL: https://edisondigital.rutgers.edu/document/NB254A55
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