[N223243], Technical Note, Francis Jehl, Thomas Alva Edison, August 8th, 1881
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Title
[N223243], Technical Note, Francis Jehl, Thomas Alva Edison, August 8th, 1881
Editor's Notes
"Experiments on the resistance of moving contacts especially in regard to commutators and their brushes used on dynamos." Tries with S. American mach. Then p. 244 Jehl has copied "Edison's chart" of steam indicator trials, with Sims assisting. More indicator results in TAE hand p. 245
Author
Mentioned
Date
1881-08-08
Type
Subject
Folder/Volume ID
N223-F
Microfilm ID
41:152
Document ID
N223243
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University