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[E1365DG], Letter from Emil Gruenfeldt to Thomas Alva Edison, May 20th, 1913

Title: [E1365DG], Letter from Emil Gruenfeldt to Thomas Alva Edison, May 20th, 1913
Author: Gruenfeldt, Emil
Recipient: Edison, Thomas Alva
Date: 1913-05-20
Type: Letter
Subject: Disc phonograph
Folder ID: E1365A-F
Microfilm ID: 256:233
Document ID: E1365DG
URL: https://edisondigital.rutgers.edu/document/E1365DG
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 256