335,269 (Electrical Switch), February 2, 1886

Brush, Charles Francis, 1849-1929

1885-02-02
2014-12-02

Patent 335,269 issued on February 2, 1885, including illustrations and typed description of improvements in electrical switches

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Case Western Reserve University, digital content

http://hdl.handle.net/2186/ksl:spcbru01405

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