Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsD. Appleton, 1885 - 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 - S and waved tracks , • 8 9 10 11 12 PAGE 12 ...
... 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 - S and waved tracks , • 8 9 10 11 12 PAGE 12 ...
Página vii
... the wing , The wing vibrates unequally with reference to a given line , Points wherein the screws formed by the wings differ from those in common use , · 147 147 148 149 • 150 151 PAGE 154 · 156 159 165 · 165 166 · CONTENTS . vii.
... the wing , The wing vibrates unequally with reference to a given line , Points wherein the screws formed by the wings differ from those in common use , · 147 147 148 149 • 150 151 PAGE 154 · 156 159 165 · 165 166 · 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. , • 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. , • 191 The elastic ligaments more highly differentiated in wings which vibrate viii CONTENTS .
Página ix
... vibrate rapidly , • Power of the wing , to what owing , PAGE 193 194 • Reasons why the effective stroke should be delivered down- wards and forwards , 195 • The wing acts as an elevator , propeller , and sustainer , both during ...
... vibrate rapidly , • Power of the wing , to what owing , PAGE 193 194 • Reasons why the effective stroke should be delivered down- wards and forwards , 195 • The wing acts as an elevator , propeller , and sustainer , both during ...
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 - 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