Public domain
Conversion. Beverage containers to aviation oxygen cylinders. With the outside and inside of non-shatterable oxygen cylinder for high altitude flying complete, several rigorous tests are applied to guarantee safety. Every cylinder off the production line of the metal division of a large Eastern rubb
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineConversion. Beverage containers to aviation oxygen cylinders. With the outside and inside of non-shatterable oxygen cylinder for high altitude flying complete, several rigorous tests are applied to gu. 1942-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.