Inside Out Library · ExploreInvestigations and Tests in the Towing Basin at Guidonia (1939)NASA Technical Reports Server (NTRS) · leaf 21Figs. 1,2,3,4,15 N.A.C.A. Technical Memorandum No. 892NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Investigations and Tests in the Towing Basin at GuidoniaMore like this
