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 ...

From the first fragile biplane to stealth bombers that defy radar, humanity’s quest to conquer the skies has produced some truly remarkable machines. These aircraft changed warfare, revolutionized ...

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 ...