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Contribution to the mutual interference of wing and propeller (1934)
NASA Technical Reports Server (NTRS) · leaf 15
Figs. 1, N.A.C.A. Technical Memorandum lTo.754 … Figure 2.-Propeller flow visualized as superposed partial flows.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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