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[D8123ZBW], Letter from Francis Robbins Upton to Thomas Alva Edison, May 17th, 1881

Title: [D8123ZBW], Letter from Francis Robbins Upton to Thomas Alva Edison, May 17th, 1881
Editor's Notes: Will start making lamps with ground internal parts. [Grinding as in machining, not electrical grounding (DH)] The 16 candle lamps passed 300 hour mark.
Author: Upton, Francis Robbins
Recipient: Edison, Thomas Alva
Mentioned: Logan, Dave; Holzer, William
Date: 1881-05-17
Type: Letter
Subject: Incandescent lamp
Folder ID: D8123-F
Microfilm ID: 57:888
Document ID: D8123ZBW
URL: https://edisondigital.rutgers.edu/document/D8123ZBW
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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