Inside Out Library · ExploreMethods of Visually Determining the Air Flow Around Airplanes (1932)NASA Technical Reports Server (NTRS) · leaf 11Eig, 3 Tur"bulent regions in vicinity of tail as shovzn "by streamers.NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Methods of Visually Determining the Air Flow Around AirplanesMore like this