Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página 4
... result , very little is known of the laws which regulate it . If these laws were understood , and we were in possession of trustworthy data for our guidance in devising artificial pinions , the formidable Gordian knot of flight , there ...
... result , very little is known of the laws which regulate it . If these laws were understood , and we were in possession of trustworthy data for our guidance in devising artificial pinions , the formidable Gordian knot of flight , there ...
Página 5
... result in walking , swimming , and flying are necessitated by the fact that the earth affords a greater amount of support than the water , and the water than the air . That walking , swimming , and flying represent integral parts of the ...
... result in walking , swimming , and flying are necessitated by the fact that the earth affords a greater amount of support than the water , and the water than the air . That walking , swimming , and flying represent integral parts of the ...
Página 7
... result , the instruments by which locomotion is effected are specially modified . This is necessary because of the different densities and the different degrees of resistance furnished by the land , water , and air respectively . On the ...
... result , the instruments by which locomotion is effected are specially modified . This is necessary because of the different densities and the different degrees of resistance furnished by the land , water , and air respectively . On the ...
Página 10
... result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum acquired by the different portions of the moving mass could not be utilized . As the momentum acquired by animals in ...
... result of a twisting diagonal movement in the trunk and in the extremities . Without this movement , the momentum acquired by the different portions of the moving mass could not be utilized . As the momentum acquired by animals in ...
Página 18
... resulting from muscular action . Mechanical effects of fluids on animals immersed in them.- When a body is immersed in any fluid whatever , it will lose as much of its weight relatively as is equal to the weight of the fluid it ...
... resulting from muscular action . Mechanical effects of fluids on animals immersed in them.- When a body is immersed in any fluid whatever , it will lose as much of its weight relatively as is equal to the weight of the fluid it ...
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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