Public domain
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Mechanical mising of the arsenical drug before filling into the ampoules
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineParke, Davis and Company, manufacturing chemists, Detroit, Michigan. Mechanical mising of the arsenical drug before filling into the ampoules. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.