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Development of the Rules Governing the Strength of Airplanes. Part I : German Loading Conditions up to 1926 (1933)
NASA Technical Reports Server (NTRS) · leaf 64
U.A.C.A. Technical Keinoraniuiii ITo. 716 Fi^s. 18,19,20,21,22 … Figure IS.-Position of air loads. Figure 22.-D-case inverted flight.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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