Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on AeronauticsD. Appleton, 1882 - 264 páginas |
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Página v
... natural and artificial motion ; the locomotive , steamboat , etc. A flying machine possible , Weight necessary to flight , The same laws regulate natural ... wing of the bird , and the extremity of the biped and quadruped are screws ...
... natural and artificial motion ; the locomotive , steamboat , etc. A flying machine possible , Weight necessary to flight , The same laws regulate natural ... wing of the bird , and the extremity of the biped and quadruped are screws ...
Página viii
... wing at all times thoroughly under control , The natural wing when elevated and depressed must move for- wards , · The wing ascends when the body descends , and vice versâ , The wing acts upon yielding fulcra , 154 156 159 165 · The ...
... wing at all times thoroughly under control , The natural wing when elevated and depressed must move for- wards , · The wing ascends when the body descends , and vice versâ , The wing acts upon yielding fulcra , 154 156 159 165 · The ...
Página ix
... wing , to what owing , 194 Reasons why the effective stroke should be delivered down- wards and forwards , 195 The ... nature of the forces required for propelling artificial wings , 246 Necessity for supplying the roots of artificial ...
... wing , to what owing , 194 Reasons why the effective stroke should be delivered down- wards and forwards , 195 The ... nature of the forces required for propelling artificial wings , 246 Necessity for supplying the roots of artificial ...
Página xvi
... nature . Until this third step is taken , our artificial appliances for ... wing are quite as safe and infinitely more rapid and beautiful than the ... wings ) of all animals , and adapts them to the medium on which they are destined to ...
... nature . Until this third step is taken , our artificial appliances for ... wing are quite as safe and infinitely more rapid and beautiful than the ... wings ) of all animals , and adapts them to the medium on which they are destined to ...
Página xvi
... natural movement ; and 2d , because the natural movements of walking and ... wing of the bird ; but , as I shall show in the sequel , the curves which go ... wing of an insect , bat , or bird , when those animals are fixed or hovering ...
... natural movement ; and 2d , because the natural movements of walking and ... wing of the bird ; but , as I shall show in the sequel , the curves which go ... wing of an insect , bat , or bird , when those animals are fixed or hovering ...
Outras edições - Ver tudo
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1885 |
Animal Locomotion, Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Visualização integral - 1874 |
Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1893 |
Palavras e frases frequentes
action aërial animals arrangement artificial wave wing artificial wing ascends ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave dead points depressed described downward dugong elastic bands elastic ligaments elbow-joint elevating and propelling elytra extended feathers feet fish flexed flexion flight flying foot force fore gannet gliding gravity hind horizontal direction humerus inclined planes increased insect insect wing kite less lever limbs locomotion long axis machine manner Marey motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich pectoral fins pinion piston porpoise portions position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse rigid root rotation sail screw shoulder-joint side Sir George Cayley speed spiral superior band swimming tail thick margin tion trunk universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track wedge weight wing descends