[D8330O], Letter from William Symes Andrews to Thomas Alva Edison, March 22nd, 1883
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Title
[D8330O], Letter from William Symes Andrews to Thomas Alva Edison, March 22nd, 1883
Editor's Notes
Tested the new insulated brushes with long german silver strips; used K dynamo with load of 260 A lamps at 105V. Less sparking than any other brushes.
Author
Recipient
Date
1883-03-22
Type
Folder/Volume ID
D8330-F
Microfilm ID
66:956
Document ID
D8330O
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University