Inside Out Library · ExploreChoice of profile for the wings of an airplane. Part I (1928)NASA Technical Reports Server (NTRS) · leaf 24G.A. Technical Memorandum- No.468 Figs.4,5,6 Fig.7NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Choice of profile for the wings of an airplane. Part IMore like this
