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Stall-proof Airplanes (1927)
NASA Technical Reports Server (NTRS) · leaf 18
. A. C . A. T3chilicc;.l Memoranduiii ITq .393 Fi-s.8,9 & 10. … IQO 15^ 200 35^ 300 35^ 10^ 15° 20° 25° 30° 35 a a Fic.8 Fig. 9NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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