Black and white photograph of Antoine Blanc Gingras, Métis Fur Trader and member of the Minnesota Territorial Legislature, ca. 1855.

Antoine Blanc Gingras

Antoine Blanc Gingras, Métis Fur Trader and member of the Minnesota Territorial Legislature, ca. 1855.

Black and white photograph of two men, probably Métis, preparing a Red River cart train at Pembina, 1856.

Preparing a Red River cart train at Pembina for a trip to St. Anthony Falls

Two men, probably Métis, preparing a Red River cart train at Pembina, 1856.

Color image Ecolab buildings, St. Paul, July 2017.

Ecolab buildings

Ecolab buildings, St. Paul, July 2017. In the foreground, the new Ecolab headquarters in downtown St. Paul. Behind can be seen the old tower on Wabasha, still bearing the Ecolab name.

Color image of the Ecolab building, 2014. Photograph by Wikimedia Commons user McGhiever.

Ecolab building

Ecolab building, 2014. Photograph by Wikimedia Commons user McGhiever.

Black and white photograph of Economics Laboratory, 293 Como Avenue, St. Paul, October 8, 1962.

Economics Laboratory, 293 Como Avenue, St. Paul

Economics Laboratory, 293 Como Avenue, St. Paul, October 8, 1962.

Black and white photograph of an Economics Laboratory, 800 Eustis Street, St. Paul, ca. 1956.

Economics Laboratory, St. Paul

Economics Laboratory, 800 Eustis Street, St. Paul, ca. 1956.

Black and white photograph of Economics Laboratory, 144–146 South Livingston Avenue, St. Paul, ca. 1955.

Economics Laboratory

Economics Laboratory, 144–146 South Livingston Avenue, St. Paul, ca. 1955.

Black and white photograph of Soilax parade float, ca. 1955.

Soilax parade float

Parade float promoting Soilax, a dishwasher detergent, at the Economics Laboratory in St. Paul, ca. 1955.

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.

Color scan of a Soilax advertisement, 1953.

Soilax advertisement

Advertisement for Soilax, a product of Economics Laboratory, printed in Woman's Day 16, no. 6 (March 1953). Photograph by Flickr user Classic Film on December 5, 2013.

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