[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

Decade

1880-1889

Folder/Volume ID

N103-F

Microfilm ID

36:208

Document ID

N103167

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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