Public domain
Production. Aircraft. This air compressor in a Western aircraft plant supplies air power for riveting hammers, sprayguns, and other air-operated equipment
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Aircraft. This air compressor in a Western aircraft plant supplies air power for riveting hammers, sprayguns, and other air-operated equipment. 1942-01-01. United States. Office Of War Information, Bransby, David. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.