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[CJ615ABL], Letter from William Horatio Mason to Thomas Alva Edison, April 30th, 1907

Title: [CJ615ABL], Letter from William Horatio Mason to Thomas Alva Edison, April 30th, 1907
Author: Mason, William Horatio
Recipient: Edison, Thomas Alva
Date: 1907-04-30
Type: Letter
Subject: Testing and quality control; Cement
Folder ID: CJ615-F
Microfilm ID: 203:240
Document ID: CJ615ABL
URL: https://edisondigital.rutgers.edu/document/CJ615ABL
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