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[PT5140B], Letter from William Abbott Hardy to Thomas Alva Edison, August 3rd, 1926

Title: [PT5140B], Letter from William Abbott Hardy to Thomas Alva Edison, August 3rd, 1926
Author: Hardy, William Abbott
Recipient: Edison, Thomas Alva
Date: 1926-08-03
Type: Letter
Subject: Patent application; Disc record and duplicating technology
Folder ID: PT5140-F
Microfilm ID: 247:698
Document ID: PT5140B
URL: https://edisondigital.rutgers.edu/document/PT5140B
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 247
License: CC0 1.0 Universal