Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH.S. King & Company, 1874 - 264 стор. |
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Сторінка 9
... experiment , as I shall show subsequently . But for the share . which the weight or mass of the flying creature takes in flight , the protracted journeys of birds of passage would be impos- sible . Some authorities are of opinion that ...
... experiment , as I shall show subsequently . But for the share . which the weight or mass of the flying creature takes in flight , the protracted journeys of birds of passage would be impos- sible . Some authorities are of opinion that ...
Сторінка 13
... experiment incline me to believe just the opposite . A flying creature , when fairly launched in space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the ...
... experiment incline me to believe just the opposite . A flying creature , when fairly launched in space ( because of the part which weight plays in flight , and the little resistance expe- rienced in forward motion ) , sweeps through the ...
Сторінка 15
... experiment . The propellers at present employed in navigation are , in my opinion , faulty both in principle and application . The observations and experiments recorded in the present volume date from 1864. In 1867 I lectured on the ...
... experiment . The propellers at present employed in navigation are , in my opinion , faulty both in principle and application . The observations and experiments recorded in the present volume date from 1864. In 1867 I lectured on the ...
Сторінка 16
... only by the researches and experiments of Professor Marey , but also by those of M. Senecal , M. de Fastes , M. Ciotti , and others . Its accuracy is no longer a matter of doubt . As the limits 16 ANIMAL LOCOMOTION .
... only by the researches and experiments of Professor Marey , but also by those of M. Senecal , M. de Fastes , M. Ciotti , and others . Its accuracy is no longer a matter of doubt . As the limits 16 ANIMAL LOCOMOTION .
Сторінка 24
... experiments made by Dr. Todd , Mr. Wormald , and others , have fully established the mechanical influence of the air in keeping the mechanism of the joints together . The amount of atmospheric pressure on any joint depends upon the area ...
... experiments made by Dr. Todd , Mr. Wormald , and others , have fully established the mechanical influence of the air in keeping the mechanism of the joints together . The amount of atmospheric pressure on any joint depends upon the area ...
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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 albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped body bones Borelli Compare with fig concave Cornhill Crown 8vo depressed described dugong Edition elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feathers feet femur fins fish flexed flexible flexion flight flying foot fore hind horizontal direction humerus inclined planes increased insect wing joints kite less lever limbs locomotion long axis manner Marey membranous ments motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich Paternoster Row pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin Price produced Prof quadruped rapid remarkable resistance root rotation screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting upward direction upwards and forwards velocity vertical vibrate walking wave wing waved track weight
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