Public domain
Steel-saving glass-top jars recommended by the War Production Board, Containers Division, for home canning of the Victory garden fruits and vegetables in 1943. Third step is to allow expanding air inside the jar to escape during the processing; the screw band should be turned as far as it will go an
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSteel-saving glass-top jars recommended by the War Production Board, Containers Division, for home canning of the Victory garden fruits and vegetables in 1943. Third step is to allow expanding air ins. 1943-01-01. Collier, John, Jr., Collier, John. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.