Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
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Página 11
... velocity acquired by certain fishes is very great . A shark can gambol around the bows of a ship in full sail ; and a sword - fish ( such is the momentum acquired by it ) has been known to thrust its tusk through the copper sheathing of ...
... velocity acquired by certain fishes is very great . A shark can gambol around the bows of a ship in full sail ; and a sword - fish ( such is the momentum acquired by it ) has been known to thrust its tusk through the copper sheathing of ...
Página 13
... the preliminary effort may be dispensed with as in this case , the weight of the animal acting upon the inclined planes formed by the wings gets up the initial velocity . By comparing the flipper of the seal , sea - INTRODUCTION . 13.
... the preliminary effort may be dispensed with as in this case , the weight of the animal acting upon the inclined planes formed by the wings gets up the initial velocity . By comparing the flipper of the seal , sea - INTRODUCTION . 13.
Página 17
... velocity of a body moving uniformly is measured by the space through which it passes in a given time . The velocities generated or impressed on different masses by the same force are reciprocally as the masses . Motion uniformly varied ...
... velocity of a body moving uniformly is measured by the space through which it passes in a given time . The velocities generated or impressed on different masses by the same force are reciprocally as the masses . Motion uniformly varied ...
Página 18
... velocity of the animal . An inquiry into the amount and nature of the resistance of air and water to the progression of animals will also furnish the data for estimating the proportional values of those fluids . acting as fulcra to ...
... velocity of the animal . An inquiry into the amount and nature of the resistance of air and water to the progression of animals will also furnish the data for estimating the proportional values of those fluids . acting as fulcra to ...
Página 40
... velocity . The paces of the horse are conveniently divided into the walk , the trot , the amble , and the gallop . If the horse begins his walk by rais ing his near fore foot , the order in which the feet are lifted is as follows ...
... velocity . The paces of the horse are conveniently divided into the walk , the trot , the amble , and the gallop . If the horse begins his walk by rais ing his near fore foot , the order in which the feet are lifted is as follows ...
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Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1882 |
Animal Locomotion, Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Visualização integral - 1874 |
Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1893 |
Palavras e frases frequentes
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave convex 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 horizontal direction humerus inclined planes increased insect insect wing joint kite less levers limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends