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[N172241], Technical Note, Francis Robbins Upton, December 6th, 1880

Title: [N172241], Technical Note, Francis Robbins Upton, December 6th, 1880
Editor's Notes: "Arrangement for testing lamps at factory." The machine used to test lamps cannot power its own field, as this would throw off calcs of current. Other notes; suggests using coal oil lamp instead of standard candles, which are very expensive. n Fr 908 placement of lamps in 5th ave office.
Author: Upton, Francis Robbins
Date: 1880-12-06
Type: Technical Note
Subject: Testing and quality control; Electric light and power
Folder ID: N172-F
Microfilm ID: 39:902
Document ID: N172241
URL: https://edisondigital.rutgers.edu/document/N172241
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 39

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