Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
Dentro del libro
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Página vii
... space , 140 The wing , when advancing with the body , describes a looped and waved track , 143 · The margins of the wing , thrown into opposite curves during extension and flexion , 146 The tip of the bat and bird's wing describes an ...
... space , 140 The wing , when advancing with the body , describes a looped and waved track , 143 · The margins of the wing , thrown into opposite curves during extension and flexion , 146 The tip of the bat and bird's wing describes an ...
Página 9
... space , its weight ( from the tendency of all bodies to fall vertically downwards ) presses upon the inclined planes or kites formed by the wings in such a manner as to become converted directly into a propelling , and indirectly into a ...
... space , its weight ( from the tendency of all bodies to fall vertically downwards ) presses upon the inclined planes or kites formed by the wings in such a manner as to become converted directly into a propelling , and indirectly into a ...
Página 10
... space of twenty - five feet at each stride , which he repeated 23 times in a second , being nearly four miles in six minutes and two seconds . The race - horse Flying Childers was computed to have passed over eighty - two feet and a ...
... space of twenty - five feet at each stride , which he repeated 23 times in a second , being nearly four miles in six minutes and two seconds . The race - horse Flying Childers was computed to have passed over eighty - two feet and a ...
Página 13
... space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the air with almost no exertion.1 This is proved by the sailing flight of the albatross , and by the ...
... space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the air with almost no exertion.1 This is proved by the sailing flight of the albatross , and by the ...
Página 15
... space when the flying animal is artificially fixed . That the wing , when the flying animal is progressing at 1 " On the various modes of Flight in relation to Aeronautics . ” — Proceed- ings of the Royal Institution of Great Britain ...
... space when the flying animal is artificially fixed . That the wing , when the flying animal is progressing at 1 " On the various modes of Flight in relation to Aeronautics . ” — Proceed- ings of the Royal Institution of Great Britain ...
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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