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The Bleriot 137 military airplane (French) : a twin-engine multiplace monoplane (1932)

NASA Technical Reports Server (NTRS) · leaf 11

An illustration from The Bleriot 137 military airplane (French) : a twin-engine multiplace monoplane, 1932, leaf 11
N.A.C.A. Aircraft Circular No.169 Tigs.22,26,27,28,29,30,31,33

NASA Technical Reports Server (NTRS)

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

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