[N124041], Technical Note, Francis Jehl, Francis Robbins Upton, November 21st, 1880
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Title
[N124041], Technical Note, Francis Jehl, Francis Robbins Upton, November 21st, 1880
Editor's Notes
Testing lamps "Bast 5 hours Reg vac process 1 hr no spark." GAsoline carbons. [similar calcs, but not sure what they're for]
Date
1880-11-21
Type
Subject
Folder/Volume ID
N124-F
Microfilm ID
37:763
Document ID
N124041
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University