Flight Before FlyingF. Fell Publishers, 1974 - 191 σελίδες |
Περιεχόμενα
In the beginning | 8 |
Up up and away | 26 |
First principles | 54 |
Πνευματικά δικαιώματα | |
7 άλλες ενότητες δεν εμφανίζονται
Συχνά εμφανιζόμενοι όροι και φράσεις
achievement aerial aeronautical aeroplane aircraft airscrew airship American appeared ascent attempt balloon become biplane bird build built carried Cayley Cayley's century Charles completed considerable construction Daedalus descent dirigible early effect engine England Europe experiments fact failed feet flight flying flying-machine followed France French full-sized further Gaston Tissandier George Cayley glider ground heavier-than-air helicopter hydrogen balloon illustration interest invention John jump kite known landing later launched lift Lilienthal London machine means Mechanics miles monoplane Montgolfier motor never built October original ornithopter parachute Paris patented period Photo Pilcher pilot possibilities powered practical probably problems produced progress propeller proposed propulsion published result Royal Science Museum seems seen September showing Sir George stability steam engine steam-powered successful suggested tailplane take-off tests thought tower jumpers voyage Wilbur wind wings Wright