Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página v
... body of the fish is thrown into figure - of - 8 curves , · The tail of the fish made to vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the ... body and wing reciprocate in flight ; the body.
... body of the fish is thrown into figure - of - 8 curves , · The tail of the fish made to vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the ... body and wing reciprocate in flight ; the body.
Página vi
... body and wing reciprocate in flight ; the body rising when the wing is falling , and vice versâ , Flight the least fatiguing kind of motion . stronger than terrestrial ones , Fins , flippers , and wings form mobile helics or screws ...
... body and wing reciprocate in flight ; the body rising when the wing is falling , and vice versâ , Flight the least fatiguing kind of motion . stronger than terrestrial ones , Fins , flippers , and wings form mobile helics or screws ...
Página viii
... body descends , and vice versâ , The wing acts upon yielding fulcra , 154 156 159 165 The wing acts as a true kite both during the down and up strokes , 165 • Where the kite formed by the wing differs from the boy's kite , The angles ...
... body descends , and vice versâ , The wing acts upon yielding fulcra , 154 156 159 165 The wing acts as a true kite both during the down and up strokes , 165 • Where the kite formed by the wing differs from the boy's kite , The angles ...
Página 9
... body rolling on the extremity the one instant , the extre- mity rolling on the trunk the next . During these movements the body rises and falls . The double rolling movement is necessary not only to the progression of bipeds , but also ...
... body rolling on the extremity the one instant , the extre- mity rolling on the trunk the next . During these movements the body rises and falls . The double rolling movement is necessary not only to the progression of bipeds , but also ...
Página 10
... body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together . This gives rise to a double twisting of ...
... body when the right leg swings behind it , and the converse . The right leg and left arm advance simultaneously , and alternate with the left leg and right arm , which likewise advance together . This gives rise to a double twisting of ...
Otras ediciones - Ver todas
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Sin vista previa disponible - 2016 |
Términos y frases comunes
action aërial animals arms and legs arrangement artificial wave artificial wing ascends axes backwards bat and bird beetle biting surface blades body bones Borelli Compare with fig concave convex coracoid Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extension extremities feet fins fish flexed flexible flexion flight flying foot gannet horizontal direction humerus inclined planes increased insect insect wing joint kite less lever limbs long axis manner Marey membranous motion move movements muscles muscular natural wing nervures oblique oscillate pectoral fins pinion porpoise portions position posterior margin posterior or thin primary produced quadruped rapid reciprocating Red-legged Partridge remarkable resistance root rotating scapula screw secondary feathers shoulder-joint side spiral swimming tail thick margin tion trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking wave wing waved track weight wing descends
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