[N249027], Technical Note, Charles Turner Hughes, April 6th, 1882
https://edisondigital.rutgers.edu/document/N249027
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Title
[N249027], Technical Note, Charles Turner Hughes, April 6th, 1882
Editor's Notes
"Found base cross in .14 armature caused by defective insulation between commutator bars and end cap an arc jumping across here. [sketch here] Put in heavier mica and cut cap down below commutator and still running all right."
Author
Date
1882-04-06
Type
Folder/Volume ID
N249-F
Microfilm ID
41:874
Document ID
N249027
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University