| William Duane - Children's questions and answers - 1811 - 324 pages
...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... | |
| John Millard - Handbooks, vade-mecums, etc - 1813 - 671 pages
...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 (assistant librarian of the Surrey inst.) - 1813
...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 - Eclipses - 1814
...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 - Industrial arts - 1824
...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... | |
| Science - 1829
...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 pages
...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... | |
| Mathematics - 1838
...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 - Astronomy - 1839 - 463 pages
...; 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... | |
| ...bulk In the frigid ne. This will cause the air at the equator to stand more than seven lies higher **from the surface of the earth to the top of the atmosphere** an at the north pole. The air therefore will roll off from the torrid ne both ways towards the poles,... | |
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