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Full-Scale Wind-Tunnel Investigation of Wing Cooling Ducts, Special Report (1938)

NASA Technical Reports Server (NTRS) · leaf 67

An illustration from Full-Scale Wind-Tunnel Investigation of Wing Cooling Ducts, Special Report, 1938, leaf 67
N.A.C.A. Figs. 34b,34c

NASA Technical Reports Server (NTRS)

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

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