Ch. 1. Evolution of the two-surface flying machine -- ch. 2. Theory development and use -- ch. 3. Mechanical bird action -- ch. 4. Various forms of flying machines -- ch. 5. Constructing a gliding ...
After a mysterious and lengthy disappearance, the historic patent documents for the Wright Brothers' groundbreaking flying machine have finally resurfaced and are now at home in the National Archives ...
NASM copy 39088008693905 has bookplate: Gift of Melvin Buchner. NASM copy 39088016868143 has Smithsonian Institution Libraries bookplate: Gift of Leonard J. Raymond. Contents Ch. 1. Evolution of the ...