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Experimental apparatus for the study of propellers (1937)
NASA Technical Reports Server (NTRS) · leaf 14
rigs.10,11 V.A.C.A. Technical Memorandum Ho. 819 ~ I TORINO E. 2 I … ttgur* 11.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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