Public domain
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. Inspection of blood plasma containers prior to final capping
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. Inspection of blood plasma containers prior to final capping. 1943-01-01. Siegel, Arthur S.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.