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[D8123ZBE], Letter from Francis Robbins Upton to Thomas Alva Edison, April 25th, 1881

Title: [D8123ZBE], Letter from Francis Robbins Upton to Thomas Alva Edison, April 25th, 1881
Editor's Notes: An electrical short and resulting insulation fire in motor running pumps led to breakage of fall tubes of 18 pumps and mercury flooded 150 lamps. Sent 1964 A and 556 B lamps into photometer room last week. Wants TAE to personally look at Peters factory; Upton says it's valuable and should buy.
Author: Upton, Francis Robbins
Recipient: Edison, Thomas Alva
Date: 1881-04-25
Type: Letter
Subject: Purchases; Production difficulties and adjustments
Folder ID: D8123-F
Microfilm ID: 57:863
Document ID: D8123ZBE
URL: https://edisondigital.rutgers.edu/document/D8123ZBE
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 57

Item sets: [D8123-F] (D-81-23) Electric Light -- Edison Electric Lamp Co -- General

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