Public domain
Production of butylene glycol. Butylene glycol is recovered from corn fermentation liquors in an experimental still in the pilot plant of the Northern Regional Research Laboratory of the U.S. Department of Agriculture at Peoria, Illinois. This is one step in the Department's research that led to the
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Credit lineProduction of butylene glycol. Butylene glycol is recovered from corn fermentation liquors in an experimental still in the pilot plant of the Northern Regional Research Laboratory of the U.S. Departme. 1942-01-01. Forsythe, William J., United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.