Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка 7
... length over the land , through the water , and , notwithstanding its weight , through the air . To understand flight , it is necessary to understand walking and swimming , and it is with a view to simplifying our conceptions of this ...
... length over the land , through the water , and , notwithstanding its weight , through the air . To understand flight , it is necessary to understand walking and swimming , and it is with a view to simplifying our conceptions of this ...
Сторінка 15
... length , when they are made to oscillate . That they have a reciprocating action , and reverse their planes more or less completely at every stroke . That the wing describes a figure - of - 8 track in space when the flying animal is ...
... length , when they are made to oscillate . That they have a reciprocating action , and reverse their planes more or less completely at every stroke . That the wing describes a figure - of - 8 track in space when the flying animal is ...
Сторінка 27
... length , they readily produce the precise kind and degree of motion required in any particular case.1 In The force of muscles , according to the experiments of Schwann , increases with their length , and vice versa . It is a curious ...
... length , they readily produce the precise kind and degree of motion required in any particular case.1 In The force of muscles , according to the experiments of Schwann , increases with their length , and vice versa . It is a curious ...
Сторінка 43
... Length of stride 5 ft . 5 in . FIG . 21 . n.f. n.h. TROT . o.f. o.h. n.f. • 19 in . 21 in . 39 in . 42 in . Length of stride 10 ft . 1 in . FIG . 22 . n . f . o.f. 55 in . 55 in . GALLOP . n.h. o.h. n.f 554 in . 55 in . Length of stride ...
... Length of stride 5 ft . 5 in . FIG . 21 . n.f. n.h. TROT . o.f. o.h. n.f. • 19 in . 21 in . 39 in . 42 in . Length of stride 10 ft . 1 in . FIG . 22 . n . f . o.f. 55 in . 55 in . GALLOP . n.h. o.h. n.f 554 in . 55 in . Length of stride ...
Сторінка 44
... six inches . The exact length of stride , of course , only applies to that of the particular horse observed , and the rate of speed at which he is going . In the case of any one animal , the greater the speed 44 ANIMAL LOCOMOTION .
... six inches . The exact length of stride , of course , only applies to that of the particular horse observed , and the rate of speed at which he is going . In the case of any one animal , the greater the speed 44 ANIMAL LOCOMOTION .
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Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
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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