[N082201], Technical Note, Francis Robbins Upton, April 17th, 1880
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Title
[N082201], Technical Note, Francis Robbins Upton, April 17th, 1880
Editor's Notes
1 pg motor test with battery? Fr 690 photometer tests; candlepower measurements made with lamp in different positions. Safety catches 4 wires of lead tin twisted together .054 in each. 33 degrees on electrodynamometer.
Author
Date
1880-04-17
Type
Subject
Folder/Volume ID
N082-F
Microfilm ID
35:689
Document ID
N082201
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University