[N119083], Technical Note, Francis Jehl, Francis Robbins Upton, October 1st, 1880
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Title
[N119083], Technical Note, Francis Jehl, Francis Robbins Upton, October 1st, 1880
Editor's Notes
More factory lot 1 lamp tests, 40-59. Lamps tested twice. Same measures as before, with foot lb calcs on facing pages.
Mentioned
Date
1880-10-01
Type
Subject
Folder/Volume ID
N119-F
Microfilm ID
37:487
Document ID
N119083
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University