Keywords: Lot-9436-3: Built entirely of synthetic rubber, this barrage balloon is one of the newest developments of U.S. science, fighting the war against the Axis on the battlefield, in the factory, and in the laboratory. Office of War Information Photograph, March 12-15, 1942. (2016/01/08). Lot-9436-3: Built entirely of synthetic rubber, this barrage balloon is one of the newest developments of U.S. science, fighting the war against the Axis on the battlefield, in the factory, and in the laboratory. Office of War Information Photograph, March 12-15, 1942. (2016/01/08). |