[N203081], Technical Note, Martin N Force, December 9th, 1882
https://edisondigital.rutgers.edu/document/N203081
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Title
[N203081], Technical Note, Martin N Force, December 9th, 1882
Editor's Notes
"Insulating commutator brushes by plaster Paris. Made two brushes of copper wire fifty wires in each brush and insulated them with plaster paris."
Author
Date
1882-12-09
Type
Subject
Folder/Volume ID
N203-F
Microfilm ID
40:513
Document ID
N203081
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University