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Wind-Tunnel Investigation of an NACA 23012 Airfoil with Various Arrangements of Slotted Flaps (1939)

NASA Technical Reports Server (NTRS) · leaf 16

An illustration from Wind-Tunnel Investigation of an NACA 23012 Airfoil with Various Arrangements of Slotted Flaps, 1939, leaf 16

NASA Technical Reports Server (NTRS)

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

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