[N048197], Technical Note, Francis Robbins Upton, May 25th, 1880
https://edisondigital.rutgers.edu/document/N048197
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Title
[N048197], Technical Note, Francis Robbins Upton, May 25th, 1880
Editor's Notes
"test of large machine" {dynamo?} 21.2 volts on magnet; 9 volts from armature @100 rpm.. Fr. 230 tests of small loop carbons & wood lamps--foot pounds & cp measured. 231 back to 20" (large) machine
Author
Date
1880-05-25
Type
Folder/Volume ID
N048-F
Microfilm ID
33:228
Document ID
N048197
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University