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[D0621ABH], Letter from Thomas Alva Edison to Joseph Preston Gray, December 3rd, 1906

Title: [D0621ABH], Letter from Thomas Alva Edison to Joseph Preston Gray, December 3rd, 1906
Author: Edison, Thomas Alva
Recipient: Gray, Joseph Preston
Date: 1906-12-03
Type: Letter
Subject: Metals and minerals; Ore exploration and mining
Folder ID: D0621-F
Microfilm ID: 190:692
Document ID: D0621ABH
URL: https://edisondigital.rutgers.edu/document/D0621ABH
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 190