Einar Hoidale

Einar Hoidale

Einar Hoidale campaigning against Thomas D. Schall. Printed in the St. Paul Daily News, ca. 1930.

Black and white photograph of Josias King, c.1900.

Elder Josias R. King

Josias King, c.1900.

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.

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