Minnesota Brush Electric Company letterhead, 1887

Minnesota Brush Electric Company letterhead, 1887

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

Light mast at Bridge Square, Minneapolis

Light mast at Bridge Square, Minneapolis

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

De la Barre, William (1849–1936)

While working at Minneapolis's Washburn mills in the late 1870s, William de la Barre became an internationally known hydroelectricity expert and a key player in the development of water power at St. Anthony Falls.

Hot Ponds

The heated mill pond, or "hot pond," was invented around 1890. This innovation in Minnesota logging made it possible for logging companies to run their sawmills year-round.

Herbert Paist's Soo Line pin

Herbert Paist's Soo Line pin

Two-part Soo Line lapel pin used by Soo Line employee Herbert Paist

Walking stick used by William de la Barre

Walking stick used by William de la Barre

Triangular wooden walking stick capped with a sterling silver floral engraved headpiece used by William de la Barre.

Humidor used by William de la Barre

Humidor used by William de la Barre

Painted milk glass cigar humidor used by William de la Barre.

Hydro Plant near Hennepin Island, Minneapolis

Hydro Plant near Hennepin Island, Minneapolis

Hennepin Island Hydro Plant, designed by William de la Barre, January 22, 1908.

Lower Dam Hydro Plant and Lower Dam, St. Anthony Falls

Lower Dam Hydro Plant

Lower Dam and Lower Dam Hydro Plant, St. Anthony Falls, designed by William de la Barre, c.1898.

Newly constructed Lower Dam Hydro Plant, Minneapolis

Newly constructed Lower Dam Hydro Plant

Newly constructed Lower Dam Hydro Plant, designed by William de la Barre, December 9, 1896.

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