203,413 (Armature for Dynamo-Electric Machines), May 7, 1878

Brush, Charles Francis, 1849-1929

1878-05-07
2014-12-02

Patent 203,413 with illustrations and description, issued on May 7, 1878, for the improvement in efficiency of armatures for Dynamo Electric Machines

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Case Western Reserve University, digital content

http://hdl.handle.net/2186/ksl:spcbru01353

Charles F. Brush, Sr., Papers
Series 3: Patents (1872-1888)
Box 9
Folder 4