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[E1160CT], Letter from A D MacKay to Robert Abraham Bachman, Thomas Alva Edison, October 31st, 1911

Title: [E1160CT], Letter from A D MacKay to Robert Abraham Bachman, Thomas Alva Edison, October 31st, 1911
Author: MacKay, A D
Recipient: Bachman, Robert Abraham; Edison, Thomas Alva
Date: 1911-10-31
Type: Letter
Subject: Testing and quality control; Metals and minerals
Folder ID: E1160-F
Microfilm ID: 250:107
Document ID: E1160CT
URL: https://edisondigital.rutgers.edu/document/E1160CT
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 250