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[D9231AAI], Letter from John Robert Proctor to Thomas Alva Edison, March 24th, 1892

Title: [D9231AAI], Letter from John Robert Proctor to Thomas Alva Edison, March 24th, 1892
Author: Proctor, John Robert
Recipient: Edison, Thomas Alva
Date: 1892-03-24
Type: Letter
Subject: Ore exploration and mining; Ore milling and separation
Folder ID: D9231-F
Microfilm ID: 133:27
Document ID: D9231AAI
URL: https://edisondigital.rutgers.edu/document/D9231AAI
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 133