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Langley memoir on mechanical flight : pt. 1- (1911)

Langley, S. P. (Samuel Pierpont), 1834-1906, Manly, Charles M. (Charles Matthews), 1876-1927 · Washington, D.C. : Smithsonian Institution · leaf 283

An illustration from Langley memoir on mechanical flight : pt. 1-, 1911, leaf 283

Aeronautics · Flight

Internet Archive · Boston College Libraries · Public domain (published before 1931). Free to use for anything.

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