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Preliminary report on the characteristics of the NACA 4400R series airfoils (1939)

NASA Technical Reports Server (NTRS) · leaf 6

An illustration from Preliminary report on the characteristics of the NACA 4400R series airfoils, 1939, leaf 6

NASA Technical Reports Server (NTRS)

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

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