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The Avia 51 commercial airplane (Czechoslovakian) : a cantilever high-wing monoplane (1934)
NASA Technical Reports Server (NTRS) · leaf 5
Fig. 1 irf.A.C.A. Aircraft Circular No. 188 a, S-oan: 49 ft. 6 1/2 in V, Length: 35 " 3 l/4 " c, Height: 11 " 5 3/4 " … Figure L.-Three-view general arrangement drawings of the Avia 51.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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