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[E1565FB2], Letter from Thomas Alva Edison to John Pierrepont Constable, April 16th, 1915

Title: [E1565FB2], Letter from Thomas Alva Edison to John Pierrepont Constable, April 16th, 1915
Editor's Notes: Supplied year, month, and day
Author: Edison, Thomas Alva
Recipient: Constable, John Pierrepont
Mentioned: Taylor, E F; Halpin, Zachariah Power; Meadowcroft, William Henry
Date: 1915-04-16
Type: Letter
Subject: Testing and quality control; Disc phonograph; Dictating machines
Folder ID: E1565A-F
Microfilm ID: 263:735
Document ID: E1565FB2
URL: https://edisondigital.rutgers.edu/document/E1565FB2
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 263
License: CC0 1.0 Universal

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