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Air forces and air-force moments at large angles of attack and how they are affected by the shape of the wing (1930)
NASA Technical Reports Server (NTRS) · leaf 36
fig* 47 I?A.O.A# Technical Memoranda No,573 … ♦ * o o O o I I i iNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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