Eyewitness Flying Machine - Eyewitness Books Author:Andrew Nahum Discover the story of flying machines -- from Leonardo da Vinci's ornithopter to supersonic jetliners. Here is a spectacular and informative guide to the fascinating world of aircraft. Superb color photographs offer a unique "eyewitness" exploration of the history of flight, as well as provide a close--up view of the many different kinds of air... more »craft in use today, from helicopters to hot--air balloons. See a Victorian steam--powered airplane, a World War I biplane, a jetliner in cross section, what the first pilots wore, how wings provide lift, and what's inside a "black box." Learn how a jet engine works, why early wings needed "doping", how to keep an airplane flying straight and level, and why modern airliners need pressurized cabins. Discover how wooden planes are constructed, what it was like to fly a biplane, how a plane lands and takes off, how a glider works, which plane could be carried on a car, how a helicopter flies, and much, much more.« less