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[N103167], Technical Note, Francis Robbins Upton, Francis Jehl, July 17th, 1880

Title: [N103167], Technical Note, Francis Robbins Upton, Francis Jehl, July 17th, 1880
Editor's Notes: Appear to be measuring effects of ground glass globes on light output. Start with gas jet, then EL. FR 211 in frosted globe. Fr 212 resumes bast lamp expts; fr 215 galvanom & calorimeter tests.
Author: Jehl, Francis; Upton, Francis Robbins
Date: 1880-07-17
Type: Technical Note
Subject: Electric light and power; Incandescent lamp; Vacuum and glass bulb
Folder ID: N103-F
Microfilm ID: 36:208
Document ID: N103167
URL: https://edisondigital.rutgers.edu/document/N103167
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 36
License: CC0 1.0 Universal

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