 | William Duane - 1811 - 378 pagina’s
...more subtle and more cold than that of the middle ; and that of the middle is finer than the lower. The weight of a column of air, reaching from the surface of the earth to the top of the atmosphere, is equal to that of a column of water, of the same diameter, 33 feet high ; for so high, and no higher... | |
 | Encyclopaedias, John Millard - 1813 - 712 pagina’s
...Thus it is found, by means of a barometer (see the next chapter) that the weight of a column of air from the surface of the earth to the top of the atmosphere, is on a medium equivalent to the pressure of a column of mercury of equal base, in the tube of the... | |
 | John Millard - 1813 - 704 pagina’s
...Thus it is found, by means of a barometer (see the next chapter) that the weight of a column of air from the surface of the earth to the top of the atmosphere, is on a medium equivalent to the pressure of a column of mercury of equal base, in the tube of the... | |
 | James Ferguson - 1814 - 420 pagina’s
...because the weight of a column of water 33 feet high, is equal to the weight of as thick a PLATE x. column of air, reaching from the surface of the earth to the top of the atmosphere : so that there will then be an equilibrium, and, consequently, though there would be weight enough... | |
 | Luke Herbert - 1824 - 394 pagina’s
...were much longer, and the Syphon quite emptied of air ; because the weight of a column o£ water 33 feet high is equal to the weight of a column of air...surface of the earth to the top of the atmosphere. Mercury may be drawn through a Syphon in the same manner as water ; but then the utmost height of the... | |
 | 1829 - 500 pagina’s
...from which we may infer that a column of air, having a square inch for its base, and which extends from the surface of the earth to the top of the atmosphere, weighs about fifteen pounds*. The atmospheric engine is a machine whose efficacy depends on the principle... | |
 | Thomas Curtis (of Grove house sch, Islington) - 426 pagina’s
...from which we may infer that a column of air, having a square inch for its base, and which extends from the surface of the earth to the top of the atmosphere, weighs about fifteen pounds. The atmospheric engine is a machine whose efficacy depends on the principle... | |
 | William Martin - 1832 - 504 pagina’s
...the surface of the earth. It is found by means of the barometer, that the weight of a column of air from the surface of the earth to the top of the atmosphere, is on a medium equivalent to the pressure of a column of mercury of equal base, on the tube of the... | |
 | Royal Society (Great Britain) - 1838 - 538 pagina’s
...of the equation which holds in an atmosphere of dry air ; namely, that the integral being extended from the surface of the earth to the top of the atmosphere, is the anapi lytical expression of *-j, or of the height of the homogeneous atmosphere, that is, of... | |
 | James Ferguson - 1839 - 556 pagina’s
...; because the weight of a column o( water thirty-three feet high is equal to the weight of as thick a column of air, reaching from the surface of the earth to the top of the atmosphere j so that there will then be an equilibrium, and consequently, though there would be weight enough... | |
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This will cause the air at the equator to stand more than seven miles higher from the surface of the earth to the top of the atmosphere than at the north pole. 
