 | James Ferguson - 1764 - 322 pages
...much longer, and the fyphon quite emptied of air j becaufe the weight of a column of water 33 feet high is equal to the weight of as thick a column of...atmofphere; fo that there will then be an equilibrium, and confequently, though there would be weight enough of air upon the furface C to make the water afcend... | |
 | James Ferguson - Astronomy - 1776 - 546 pages
...much longer, and the fyphon quite emptied of air -t becaufe the weight of a column of v.-ater 33 feet high is equal to the weight of as thick a column of air, naching from the furface of the earth to the top of the atmofphere ; fo that there will then be an... | |
 | American Philosophical Society - Electronic journals - 1786 - 460 pages
...earth is as the weight of the whole incumbent air." Confequently the air gradually decreafes in denfity from the furface of the earth to the top of the atmofphere. The body of air which is fuppofed in this theory to be qualified by the action of heat upon it, to... | |
 | Jasper Adams, John Adams - 1793 - 358 pages
...lower. It is heavieft near the furface the of earth. The weight of a column of air, one foot fquare, reaching from the furface of the earth to the top of the atmofphere *, is 2,160 pounds ; fo that a man of middling fize, the furface of whofe body is about 14 fquare feet,fuftains... | |
 | Colin Macfarquhar, George Gleig - Encyclopedias and dictionaries - 1797 - 450 pages
...were much longer, and the fyphon quite emptied of air, becaufe the weight of a column of water 33 feet high, is equal to the weight of as thick a column...atmofphere: fo that there will then be an equilibrium ; and confcquently, though there would be weight enough of air upon the furface С to> make the water afcend... | |
 | Encyclopedias and dictionaries - 1816 - 740 pages
...HEIGHT AND DENSITY or THE. If the air had no elaftic power, but were every where of the f sine denfity, from the furface of the earth to the top of the atmofphere, it would be an eafy matter to determine its height, from knowing its dcnlity, and the column of mercury... | |
 | James Ferguson - Astronomy - 1839 - 556 pages
...longer, and the syphon quitf emptied ot air ; 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... | |
 | 948 pages
...earth is as the weight of the whole incumbent air." Confequently the air gradually decreafes in denfity from the furface of the earth to the top of the atmofphere. The body of air which is fuppofed in this theory to be qualified by the action of heat upon it, to... | |
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... becaufe the weight of a column of water 33 feet high is equal to the weight of as thick a column of air, reaching from the furface of the earth to the top of the atmofphere; fo that there will then be an equilibrium, and... 