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[N124159], Technical Note, Francis Jehl, Francis Robbins Upton, December 15th, 1880

Title: [N124159], Technical Note, Francis Jehl, Francis Robbins Upton, December 15th, 1880
Editor's Notes: Still more lamp tests: cp; ohms; lamps per HP. Some 1/3 length filaments. {Very dull stuff}
Author: Jehl, Francis; Upton, Francis Robbins
Date: 1880-12-15
Type: Technical Note
Subject: Electric light and power
Folder ID: N124-F
Microfilm ID: 37:821
Document ID: N124159
URL: https://edisondigital.rutgers.edu/document/N124159
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 37
License: CC0 1.0 Universal