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N.A.C.A. Stall-Warning Device (1938)
NASA Technical Reports Server (NTRS) · leaf 13
Fig. 5 N.A.C.A. … i 1 1 1 ^ 1 1 1 1 0 20 40' 60 80 100 Airspeed meter reading,, m.p.h. Figure 5.- Characteristics of stall-warning device for typical case.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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