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High velocity wind tunnels : their application to ballistics, aerodynamics, and aeronautics (1925)
NASA Technical Reports Server (NTRS) · leaf 30
Ef.A.C.A. Technical Memoranaum Wo.olS … Fig.l Wind tunnel diagrams. (l)Suction. (2)Blowing. (3)Closed. (4)Siffel type. 600 500 V 400 300 100 200 300 400 Fig.2 Velocity of sound in the air(V)plotted against absolute temp.(T)NASA Technical Reports Server (NTRS)
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