Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 23
Página 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 ...
Página 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 ...
Página 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 ...
Página 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 .
Página 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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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends