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[E1518ECS], Letter from William Horatio Mason to Thomas Alva Edison, May 22nd, 1915

Title: [E1518ECS], Letter from William Horatio Mason to Thomas Alva Edison, May 22nd, 1915
Author: Mason, William Horatio
Recipient: Edison, Thomas Alva
Date: 1915-05-22
Type: Letter
Subject: Testing and quality control; Chemicals, chemical products, and chemical processes
Folder ID: E1518E-F
Microfilm ID: 261:350
Document ID: E1518ECS
URL: https://edisondigital.rutgers.edu/document/E1518ECS
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 261