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Full Scale Drag Tests on Various Parts of Sperry Messenger Airplane (1928)

NASA Technical Reports Server (NTRS) · leaf 11

An illustration from Full Scale Drag Tests on Various Parts of Sperry Messenger Airplane, 1928, leaf 11 — Fig.6 Technical Note No.S71 … Additlonall dr^g dus to cockpij 80 75 70 60 M.P.H. Drag due to component pa.rts of Sperry Messenger airplane without wings,at various air speeds.

NASA Technical Reports Server (NTRS)

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$An illustration from Opticks, or, A treatise of the reflexions, refractions, inflexions and colours of light ; Also two treatises of the species and magnitude of curvilinear figures (1704)$