Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on AeronauticsD. Appleton, 1882 - 264 páginas |
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Página v
... vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped are screws structurally and functionally . They describe figure - of - 8 and waved tracks , 12 PAGE 12 . 13 • 31 14 14 ...
... vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped are screws structurally and functionally . They describe figure - of - 8 and waved tracks , 12 PAGE 12 . 13 • 31 14 14 ...
Página vii
... • 149 · The wing vibrates unequally with reference to a given line , Points wherein the screws formed by the wings differ from those in common use , 150 · 151 PAGE The wing at all times thoroughly under control , CONTENTS . vii.
... • 149 · The wing vibrates unequally with reference to a given line , Points wherein the screws formed by the wings differ from those in common use , 150 · 151 PAGE The wing at all times thoroughly under control , CONTENTS . vii.
Página viii
... by the action of elastic ligaments ; the nature and position of said ligaments in the Pheasant , Snipe , Crested Crane , Swan , etc. , 190 191 The elastic ligaments more highly differentiated in wings which vibrate viii CONTENTS .
... by the action of elastic ligaments ; the nature and position of said ligaments in the Pheasant , Snipe , Crested Crane , Swan , etc. , 190 191 The elastic ligaments more highly differentiated in wings which vibrate viii CONTENTS .
Página ix
... vibrate rapidly , PAGE 193 Power of the wing , to what owing , 194 Reasons why the effective stroke should be delivered down- wards and forwards , 195 The wing acts as an elevator , propeller , and sustainer , both during extension and ...
... vibrate rapidly , PAGE 193 Power of the wing , to what owing , 194 Reasons why the effective stroke should be delivered down- wards and forwards , 195 The wing acts as an elevator , propeller , and sustainer , both during extension and ...
Página 11
... vibrate pendulum fashion on either side of the spine , when it is lashed to and fro in the act of swimming . It is made to rotate upon one or more of the vertebræ of the spine , the vertebra or vertebræ forming the centre of a ...
... vibrate pendulum fashion on either side of the spine , when it is lashed to and fro in the act of swimming . It is made to rotate upon one or more of the vertebræ of the spine , the vertebra or vertebræ forming the centre of a ...
Outras edições - Ver tudo
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1885 |
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 animals arrangement artificial wave wing artificial wing ascends ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave dead points depressed described downward dugong elastic bands elastic ligaments elbow-joint elevating and propelling elytra extended feathers feet fish flexed flexion flight flying foot force fore gannet gliding gravity hind horizontal direction humerus inclined planes increased insect insect wing kite less lever limbs locomotion long axis machine manner Marey motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich pectoral fins pinion piston porpoise portions position posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse rigid root rotation sail screw shoulder-joint side Sir George Cayley speed spiral superior band swimming tail thick margin tion trunk universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track wedge weight wing descends