[N103167], Technical Note, Francis Robbins Upton, Francis Jehl, July 17th, 1880
https://edisondigital.rutgers.edu/document/N103167
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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.
Date
1880-07-17
Type
Folder/Volume ID
N103-F
Microfilm ID
36:208
Document ID
N103167
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University