3 edition of On the mechanical appliances by which flight is attained in the animal kingdom found in the catalog.
On the mechanical appliances by which flight is attained in the animal kingdom
James Bell Pettigrew
|Statement||by James Bell Pettigrew ; communicated by Professor Huxley ; read June 6 and 20, 1867.|
|Series||Landmarks of science II|
|Contributions||Huxley, Thomas Henry, 1825-1895.|
|LC Classifications||Q111 .H35, TL575 .H35|
|The Physical Object|
|Pagination||p. 197-277,  leaves of plates|
|Number of Pages||277|
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The flight ability of animals is restricted by the scaling effects imposed by physical and physiological factors. In comparisons of the power available from muscle and the mechanical power required to fly, it is predicted that the margin between the powers should decrease with body size and that flying animals have a maximum body size. However, predicting the absolute value of this upper limit. ↑ “On the Various Modes of Flight in relation to Aeronautics,” by J. Bell Pettigrew, Proc. Roy. Inst., ; “On the Mechanical Appliances by which Flight is attained in the Animal Kingdom,” by the same author, Trans. Linn. Soc., ↑ Revue des cours scientifiques de la France et de l’Étranger,
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Get this from a library. On the mechanical appliances by which flight is attained in the animal kingdom. [James Bell Pettigrew; Thomas Henry Huxley]. Author of Animal locomotion, On the mechanical appliances by which flight is attained in the animal kingdom, Design in nature, La locomotion chez les animaux; ou Marche, natation et vol, Animal Locomotion: Or Walking, Swimming, and Flying, with a Dissertation on Aëronautics, The physiology of the circulation in plants, List of works published by James Bell Pettigrew., The.
Pettigrew, James Bell, James Bell Pettigrew Pettigrew, J. Bell (James Bell) Pettigrew, J. Bell Pettigrew, J. Bell (James Bell), References 1 On the Various Modes of Flight in Relation to Aeronautics (Proceedings of the Royal Institution of Great Britain, ); on the Mechanical Appliances by which Flight is attained in the Animal Kingdom (Transactions of the Linnæan Society, vol.
xxvi., ); on the Physiology of Wings (Transactions of the Royal Society of Edinburgh, vol. xxvi., ); on Animal Locomotion (Anglo Author: Pettigrew. The flight ability of animals is restricted by the scaling effects imposed by physical and physiological factors.
In comparisons of the power available from muscle and the mechanical power required to fly, it is predicted that the margin between the powers should decrease with body size and that flying animals have a maximum body by: Mechanical automata were constructed in the 10th century BC in the Western Zhou artisan Yan Shi made humanoid automata that could sing and dance.
The machine is said to have possessed lifelike organs, like bones, muscles and joints. The Cosmic Engine, a metre (33 ft) clock tower built by Su Song in Kaifeng, China, infeatured mechanical mannequins that chimed the hours.
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Aerodynamic efficiency: birds vs. bats-- Flight is one of the energetically most costly activities in the animal kingdom, suggesting that natural selection should work to optimize flight performance.
The similar size and flight speed of birds and bats may therefore suggest convergent aerodynamic performance; alternatively, flight performance.
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French aeronauts Jacques Charles () and Noel Robert made the first manned (free flight) ascent in a hydrogen balloon, designed by Charles, a physics professor, and constructed by Robert and his brother Jean.
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