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[PT5058I], Letter from J Unger to Delos Holden, March 1918

Title: [PT5058I], Letter from J Unger to Delos Holden, March 1918
Editor's Notes: Supplied year and month
Author: Unger, J
Recipient: Holden, Delos
Mentioned: Kesler, Charles Holland; Halpin, Zachariah Power; Edison, Thomas Alva
Date: 1918-03-00
Type: Letter
Subject: Patent application; Disc phonograph
Folder ID: PT5058-F
Microfilm ID: 246:90
Document ID: PT5058I
URL: https://edisondigital.rutgers.edu/document/PT5058I
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 246