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[D8933AAI], Letter from Harry Ward Leonard, Leonard and Izard to Thomas Alva Edison, January 29th, 1889

Title: [D8933AAI], Letter from Harry Ward Leonard, Leonard and Izard to Thomas Alva Edison, January 29th, 1889
Editor's Notes: Dear Sir:--Beg to submit the following tabulated data regarding the condition of the life test being made by the C.B & Q. Ry Co. Yours very truly H. Ward Leonard.
Author: Leonard and Izard; Leonard, Harry Ward
Recipient: Edison, Thomas Alva
Mentioned: Chicago Burlington and Quincy Railroad
Date: 1889-01-29
Type: Letter
Subject: Testing and quality control; Incandescent lamp
Folder ID: D8933-F
Microfilm ID: 126:14
Document ID: D8933AAI
URL: https://edisondigital.rutgers.edu/document/D8933AAI
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 126

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