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[E1664AAW], Letter from John Pierrepont Constable to Zachariah Power Halpin, January 18th, 1916

Title: [E1664AAW], Letter from John Pierrepont Constable to Zachariah Power Halpin, January 18th, 1916
Author: Constable, John Pierrepont
Recipient: Halpin, Zachariah Power
Mentioned: Edison, Thomas Alva
Date: 1916-01-18
Type: Letter
Subject: Labor; Testing and quality control; Phonograph
Folder ID: E1664A-F
Microfilm ID: 267:186
Document ID: E1664AAW
URL: https://edisondigital.rutgers.edu/document/E1664AAW
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 267