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[PT5065I], Letter from William Abbott Hardy to Thomas Alva Edison, October 11th, 1918

Title: [PT5065I], Letter from William Abbott Hardy to Thomas Alva Edison, October 11th, 1918
Author: Hardy, William Abbott
Recipient: Edison, Thomas Alva
Date: 1918-10-11
Type: Letter
Subject: Patent application; Disc record and duplicating technology
Folder ID: PT5065-F
Microfilm ID: 246:342
Document ID: PT5065I
URL: https://edisondigital.rutgers.edu/document/PT5065I
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

Item sets: [PT5065-F] Improvements in the Formation of Sound Records or the Like (1912)