[N124159], Technical Note, Francis Jehl, Francis Robbins Upton, December 15th, 1880
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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}
Date
1880-12-15
Type
Subject
Folder/Volume ID
N124-F
Microfilm ID
37:821
Document ID
N124159
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University