Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 264 páginas |
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Página vii
... kite - like action of the wings , PROGRESSION IN OR THROUGH THE AIR . PAGE • 66 74 78 89 90 92 98 The wing a lever of the third order , 103 • Weight necessary to flight , 110 • Weight contributes to horizontal flight , 112 Weight ...
... kite - like action of the wings , PROGRESSION IN OR THROUGH THE AIR . PAGE • 66 74 78 89 90 92 98 The wing a lever of the third order , 103 • Weight necessary to flight , 110 • Weight contributes to horizontal flight , 112 Weight ...
Página viii
... kite both during the down and up • · strokes , Where the kite formed by the wing differs from the boy's kite , The angles formed by the wing during its vibrations , The body and wings move in opposite curves , • · THE WINGS OF INSECTS ...
... kite both during the down and up • · strokes , Where the kite formed by the wing differs from the boy's kite , The angles formed by the wing during its vibrations , The body and wings move in opposite curves , • · THE WINGS OF INSECTS ...
Página xiii
... kite - like action and waved movements of the wing , The Centaur Beetle and Water Bug , The Dragon Fly , • • PAGE 158 · 160 , 161 166 • 171 172 • The screws formed by the wing of the insect , bat , and bird , 174 , 175 , 176 The muscles ...
... kite - like action and waved movements of the wing , The Centaur Beetle and Water Bug , The Dragon Fly , • • PAGE 158 · 160 , 161 166 • 171 172 • The screws formed by the wing of the insect , bat , and bird , 174 , 175 , 176 The muscles ...
Página 8
... swimming . The flying animal receives support from the air by increasing the size of its travelling surfaces , which act after the manner of twisted inclined planes or kites . When an insect , a 3 ANIMAL LOCOMOTION .
... swimming . The flying animal receives support from the air by increasing the size of its travelling surfaces , which act after the manner of twisted inclined planes or kites . When an insect , a 3 ANIMAL LOCOMOTION .
Página 9
... kites . When an insect , a bat , or a bird is launched in space , its weight ( from the tendency of all bodies to fall vertically downwards ) presses upon the inclined planes or kites formed by the wings in such a manner as to become ...
... kites . When an insect , a bat , or a bird is launched in space , its weight ( from the tendency of all bodies to fall vertically downwards ) presses upon the inclined planes or kites formed by the wings in such a manner as to become ...
Outras edições - Ver tudo
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