Electrasol formula, 1948.

Electrasol formula

Early formula for dishwashing detergent Electrasol, 1948. Early product formulations were kept in a booklet by chemist John Lewis Wilson. From Ecolab Company Records, Minnesota Historical Society.

Black and white photograph of an electric refrigerator, 1931.

Electric refrigerator

Electric refrigerator, 1931.

Black and white photograph of an electric shovel in operation at the Mesabi Mountain open pit mine in Franklin, ca. 1935. Photographed by Kurt B. Florman.

Electric shovel

Electric shovel in operation at the Mesabi Mountain open pit mine in Franklin, ca. 1935. Photographed by Kurt B. Florman.

Black and white photograph of Television, radio and phonograph department, Dayton's Southdale store, 1958.

Electronics Department

Television, radio and phonograph department, Dayton's Southdale store, 1958.

Photograph of the Elephant House at the Duluth Zoo, ca. 1940.

Elephant House, Duluth Zoo

Elephant House at the Duluth Zoo, ca. 1940.

Elevator after cyclone, Rochester.

Elevator after cyclone, Rochester.

Elevator after cyclone, Rochester. Photographed by Elmer & Tenney, August 21, 1883.

Color image of elevator doors of the Minnesota Building, 2009.

Elevator doors, Minnesota Building

Elevator doors of the Minnesota Building, 2009. The lavish ornamentation of the doors is typical of the art deco style. Photograph by Thomas R. Zahn.

Elevator inside Northwestern National Bank, Minneapolis

Elevator inside Northwestern National Bank, Minneapolis

Elevator, Northwestern National Bank, Minneapolis, ca. 1930.

Elevator row, Clara City

Elevator row, Clara City

This postcard of "Elevator Row" in Clara City, Minnesota, c.1910, shows one of the major reasons rural people have gone to town since the 1880s: to connect to the railroad to sell grain.

Black and white photograph of the elevator to Foshay Tower observation balcony, Minneapolis, 1948.

Elevator to Foshay Tower observation balcony, Minneapolis

Elevator to Foshay Tower observation balcony, Minneapolis, 1948.

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