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Tank Tests of Two Floats for High-speed Seaplanes (1933)
NASA Technical Reports Server (NTRS) · leaf 11
N.A.C.A. Technical Note No. 473 Figs. 6,7 24 32 40 Speed, f.p.s.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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