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[E1224AD], Letter from Rudolph Frederick Haffenreffer, Jr. to Thomas Alva Edison, January 15th, 1912

Title: [E1224AD], Letter from Rudolph Frederick Haffenreffer, Jr. to Thomas Alva Edison, January 15th, 1912
Author: Haffenreffer, Rudolph Frederick, Jr
Recipient: Edison, Thomas Alva
Date: 1912-01-15
Type: Letter
Subject: Cement products
Folder ID: E1224-F
Microfilm ID: 251:968
Document ID: E1224AD
URL: https://edisondigital.rutgers.edu/document/E1224AD
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 251