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" Here we see the admirable wisdom of the author of nature in forming the bones of animal limbs hollow. The bones of the arms and legs have to perform the office of levers, and are thus opposed to very great transverse strains. By this form they become... "
Practical Essays on Mill Work and Other Machinery - Página 330
por Robertson Buchanan - 1823 - 588 páginas
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Encyclopædia Britannica: Or, A Dictionary of Arts ..., Volumen18,Parte1

Colin Macfarquhar, George Gleig - 1797 - 452 páginas
...wifdom of the Author of Hfn¿ ^ nature in forming the bones of animal limbs hollow. The wi Plora ci bones of the arms and legs have to perform the office of le-(jodin vers, and are thus oppofed to very great tranfverfe drains. By ¡ОГЯ1М1е! : this form...
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Essay on the Shafts of Mills Also an Introductory Account of the Progress ...

Robertson Buchanan - 1814 - 178 páginas
...surrounding shell is thinner in proportion to its diameter. Here we see the admirable wisdom of the Authorof nature in forming the bones of animal limbs hollow....are lighter and therefore more agile; and the same wisdom has made use of this hollow for other valuable purposes of the animal economy. In like manner...
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A System of Mechanical Philosophy, Volumen1

John Robison, James Watt - 1822 - 768 páginas
...stiffness is so much the greater as the surrounding shell is thinner in proportion to its diameter. 401. Here we see the admirable wisdom of the author of...By this form they become incomparably stronger and stifier, and give more room for the insertion of muscles, while they are lighter and therefore more...
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A System of Mechanical Philosophy, Volumen1

John Robison, James Watt - 1822 - 758 páginas
...stiffness is so much the greater as the surrounding shell is thinner in proportion to its diameter. 401. Here we see the admirable wisdom of the author of...levers, and are thus opposed to very great transverse strain*. By this form they become incomparably stronger and stiffer, and give more room for the insertion...
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A System of Mechanical Philosophy, Volumen1

John Robison, James Watt - 1822 - 770 páginas
...forming the bones of animal limbs hollow. The bones of the arms and legs have to perform the of. fice of levers, and are thus opposed to very great transverse...are lighter and therefore more agile ; and the same wisdom has made use of this hollaw for other valuable purposes of the animal economy. In like manner,...
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Treatise on Architecture: Including the Arts of Construction, Building ...

Arthur Ashpitel - 1867 - 442 páginas
...wisdom of the Author of na- Hence the ture in forming the bones of animal limbs hollow. The wisdom of bones of the arms and legs have to perform the office of? -m , levers, and are thus opposed to very great transverse strains, ь^иц^е.' By this form they...
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