Public domain
Washington, D.C. Eleanor Jefferis, working in the chemistry laboratory at Woodrow Wilson High School
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineWashington, D.C. Eleanor Jefferis, working in the chemistry laboratory at Woodrow Wilson High School. 1943-01-01. Bubley, Esther. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Chemical determination of vitamin C
Salinas, California. Intercontinental Rubber Producers. Harry Baucher, head chemist, works on deresinating tests
Production. Tin smelting. Two laboratory assistants at a Southern tin smelter perform delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from th
FUNK, MISS ELIZABETH. IN LABORATORY
Untitled
Production. Tin smelting. A laboratory assistant at a Southern tin smelter performs delicate analytical operations that determine the amounts of pure metal remaining in slags from the furnaces. Accurate laboratory control is one of the important reasons why the percentage of metal recovery from the