Public domain
Barrage balloon manufacture. Fin-shaping cords. These workers are inside the rear-right horizontal fin of a barrage balloon, checking the ropes which give the fin shape and hold it together. Since barrage balloons are non-rigid and entirely collapsible, these ropes come closest to being the "back-bo
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineBarrage balloon manufacture. Fin-shaping cords. These workers are inside the rear-right horizontal fin of a barrage balloon, checking the ropes which give the fin shape and hold it together. Since bar. 1941-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.