Minnesota Brush Electric Company letterhead from 1887, showing the company's electric light mast and generating plant.

Full view of the 257-foot electric light mast at Bridge Square, Minneapolis, c.1884.

Dan Patch money clip.

Covered race track of Dan Patch and home of International Stock Foods, Savage, 1915. Photographer: Charles P. Gibson.

To Remember Dan Patch, a sculpture of Dan Patch commissioned by his owner, Marion Savage, and created by Alexander Stirling Calder Sr. between 1912 and 1915.

Tobacco tin featuring images of Dan Patch, 1910s.

Dan Patch, August 11, 1910.

Dan Patch with driver Harry Hersey, 1906.

Sterling silver trophy won by Dan Patch in Kentucky, 1905.

Dan Patch badge commemorating his world record mile time, c.1905.