Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 32
Página vii
... kite - like action of the wings , 98 PROGRESSION IN OR THROUGH THE AIR . The wing a lever of the third order , Weight necessary to flight , Weight contributes to horizontal flight , 103 · 110 • 112 in flight , How balancing is effected ...
... kite - like action of the wings , 98 PROGRESSION IN OR THROUGH THE AIR . The wing a lever of the third order , Weight necessary to flight , Weight contributes to horizontal flight , 103 · 110 • 112 in flight , How balancing is effected ...
Página viii
... kite both during the down and up strokes , 165 • 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 , . 166 167 168 THE WINGS ...
... kite both during the down and up strokes , 165 • 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 , . 166 167 168 THE WINGS ...
Página xiii
... kite - like action and waved movements of the wing , The Centaur Beetle and Water Bug , 158 160 , 161 166 • 171 The Dragon Fly , 172 • The screws formed by the wing of the insect , bat , and bird , 174 , 175 , 176 The muscles , elastic ...
... kite - like action and waved movements of the wing , The Centaur Beetle and Water Bug , 158 160 , 161 166 • 171 The Dragon Fly , 172 • The screws formed by the wing of the insect , bat , and bird , 174 , 175 , 176 The muscles , elastic ...
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 ...
Contenido
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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