Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 стор. |
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Сторінка 23
... surface of the knee - joint consist of " a double conical screw combina- tion . " The last - named observer also expressed his belief " that articular combinations with opposite windings on opposite sides of the body , similar to those ...
... surface of the knee - joint consist of " a double conical screw combina- tion . " The last - named observer also expressed his belief " that articular combinations with opposite windings on opposite sides of the body , similar to those ...
Сторінка 24
... surface presented to its influence , and the height of the barometer . According to Weber , the atmospheric pressure on the hip - joint of a man is about 26 lbs . The pressure on the knee - joint is estimated by Dr. Arnott at 60 lbs ...
... surface presented to its influence , and the height of the barometer . According to Weber , the atmospheric pressure on the hip - joint of a man is about 26 lbs . The pressure on the knee - joint is estimated by Dr. Arnott at 60 lbs ...
Сторінка 34
... surface the one instant , and a greatly diminished and a comparatively non - resisting one the next . This arrange- ment secures the subtlety and nicety of motion demanded by the several media at different stages of progression . The ...
... surface the one instant , and a greatly diminished and a comparatively non - resisting one the next . This arrange- ment secures the subtlety and nicety of motion demanded by the several media at different stages of progression . The ...
Сторінка 35
... surface engaged in natation . Those animals , one and all , walk awkwardly , it always happening that when the ex ... surface . The surface exposed by the bat exceeds that displayed by many insects and birds . The wings of the bat are ...
... surface engaged in natation . Those animals , one and all , walk awkwardly , it always happening that when the ex ... surface . The surface exposed by the bat exceeds that displayed by many insects and birds . The wings of the bat are ...
Сторінка 37
... surface are matters of little or no consequence . As , moreover , the surface trod upon is rigid or unyielding , the extremities of quadrupeds are , as a rule , terminated by small feet . Fig . 18 ( contrast with fig . 17 ) . -71 FIG ...
... surface are matters of little or no consequence . As , moreover , the surface trod upon is rigid or unyielding , the extremities of quadrupeds are , as a rule , terminated by small feet . Fig . 18 ( contrast with fig . 17 ) . -71 FIG ...
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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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