[N143091], Technical Note, George Gibbs, December 13th, 1882
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Title
[N143091], Technical Note, George Gibbs, December 13th, 1882
Editor's Notes
"Tried mica insulation for brushes as follows:--" sketch follows. Seems to be a brush consisting of wires poking through holes in a mica plate.
Author
Date
1882-12-13
Type
Subject
Folder/Volume ID
N143-F
Microfilm ID
38:715
Document ID
N143091
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University