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[D8123ZCJ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 9th, 1881

Title: [D8123ZCJ], Letter from Francis Robbins Upton to Thomas Alva Edison, June 9th, 1881
Editor's Notes: Adams and Haydens visited regarding the wire for Johnson. Also, Nichols has been searching for reason for drop in voltage and candlepower of 16 candle lamps. Line resistance accounts for drop of 1/4 to 1/3 volt which accounts for drop of 1/8 candle.
Author: Upton, Francis Robbins
Recipient: Edison, Thomas Alva
Mentioned: Nichols, Edward Leamington
Date: 1881-06-09
Type: Letter
Subject: Research and development; Incandescent lamp
Folder ID: D8123-F
Microfilm ID: 57:908
Document ID: D8123ZCJ
URL: https://edisondigital.rutgers.edu/document/D8123ZCJ
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
License: CC0 1.0 Universal

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

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