Public domain
Boeing aircraft plant, Seattle, Washington. Production of B-17F (Flying Fortress) bombing planes. Machine screws to be used in building a B-17F (Flying Fortress) are attached to hangers which suspend them in anodizing tanks. In the tanks they receive a protective plating to prevent corrosion
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBoeing aircraft plant, Seattle, Washington. Production of B-17F (Flying Fortress) bombing planes. Machine screws to be used in building a B-17F (Flying Fortress) are attached to hangers which suspend . 1942-01-01. Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.