Expanding the Envelope–NASA Flight Research

From Amazon: “Expanding the Envelope is the first book to explore the full panorama of flight research history, from the earliest attempts by such nineteenth century practitioners as England's Sir George Cayley, who tested his kites and gliders by subjecting them to experimental flight, to the cutting-edge aeronautical research conducted by the NACA and NASA.” Written by Michael H. Gorn and dated 2001.

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