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