<span>Patent 234,456 including illustrations and typed description, issued on November 16, 1880, for use of an automatic cut </span><span>off apparatus for multiple electric light or motorsCharles F. Brush, Sr., PapersSeries 3: Patents (1872-1888)Box 9Folder 3</span>

234,456 (Automatic Cut-Off Apparatus for Electric Lights or Motors), November 16, 1880

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