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[CJ616AAP], Letter from William Horatio Mason to Claude Heft Opdyke, July 31st, 1908

Title: [CJ616AAP], Letter from William Horatio Mason to Claude Heft Opdyke, July 31st, 1908
Author: Mason, William Horatio
Recipient: Opdyke, Claude Heft
Date: 1908-07-31
Type: Letter
Subject: Testing and quality control; Rolls and crushers
Folder ID: CJ616-F
Microfilm ID: 203:491
Document ID: CJ616AAP
URL: https://edisondigital.rutgers.edu/document/CJ616AAP
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 203