Public domain
Washington, D.C. Chemistry students making notes in the apparatus used for an experiment 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. Chemistry students making notes in the apparatus used for an experiment at Woodrow Wilson High School. 1943-01-01. Bubley, Esther. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.