Public domain
Three-inch A.A. cartridge cases. The primer hole of every antiaircraft cartridge case made by a Midwest plant is carefully inspected to insure that the loading and for use against enemy planes.
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineThree-inch A.A. cartridge cases. The primer hole of every antiaircraft cartridge case made by a Midwest plant is carefully inspected to insure that the loading and for use against enemy planes.. 1942-01-01. Palmer, Alfred T., United States. Office For Emergency Management. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.