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Eleventh Rhon soaring-flight contest, 1930 (1931)

NASA Technical Reports Server (NTRS) · leaf 21

An illustration from Eleventh Rhon soaring-flight contest, 1930, 1931, leaf 21
N.A.C.A. Technical Memorandijun No.623 Fig.9

NASA Technical Reports Server (NTRS)

Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.

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