Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, Том 18,Део 1Colin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Страница 12
... columns to be as the biqua- drates of their diameters . But Euler deduced this from for- mula which occurred to him in the course of his algebraic analyfis ; and he boldly adopts it as a principle , without looking for its foundation in ...
... columns to be as the biqua- drates of their diameters . But Euler deduced this from for- mula which occurred to him in the course of his algebraic analyfis ; and he boldly adopts it as a principle , without looking for its foundation in ...
Страница 13
... column zd expreffes the breadth BC ; column 3d is the area of the fection in fquare lines ; column 4th is the number of ounces required to crush the piece ; column 5th is the weight which was then borne by each fquare line of the ...
... column zd expreffes the breadth BC ; column 3d is the area of the fection in fquare lines ; column 4th is the number of ounces required to crush the piece ; column 5th is the weight which was then borne by each fquare line of the ...
Страница 27
... columns , obferving that it was not , in the cases which usually occur , a fimple compreffion , but was combined with a tranĹ verfe ftrain , arifing from the bending of the column . When the column ACB ( fig . 20. ) refting on the ...
... columns , obferving that it was not , in the cases which usually occur , a fimple compreffion , but was combined with a tranĹ verfe ftrain , arifing from the bending of the column . When the column ACB ( fig . 20. ) refting on the ...
Страница 28
... column is not the twentieth part of what is neceffary for breaking it by act ing at E in the direction EF . Euler takes no notice of this immenfe difcrepancy , because it must have caufed him to abandon the fpeculation with which he was ...
... column is not the twentieth part of what is neceffary for breaking it by act ing at E in the direction EF . Euler takes no notice of this immenfe difcrepancy , because it must have caufed him to abandon the fpeculation with which he was ...
Страница 29
... Column 2d is the weight of the bar ( the 2d day after it was felled ) in pounds . Two bars were tried of each length ... Column 3d is the number of pounds neceffary for breaking the tree in the course of a few minutes.- Column 4th is the ...
... Column 2d is the weight of the bar ( the 2d day after it was felled ) in pounds . Two bars were tried of each length ... Column 3d is the number of pounds neceffary for breaking the tree in the course of a few minutes.- Column 4th is the ...
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