[N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880
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Title
[N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880
Editor's Notes
More lot 1 factory lamp tests. Same as before. Fr 550 begins summary table---candlepower? Then index. FR 554 is table of foot/pounds, measured before and after. Fr 558 summary table of how many lamps fall in given ranges of ftlbs, ohms.
Mentioned
Date
1880-10-05
Type
Subject
Folder/Volume ID
N119-F
Microfilm ID
37:541
Document ID
N119191
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University