| James Ferguson - 1764 - Страниц: 322
...will draw no water, even though the other leg were much longer, and the fyphon quite emptied of air j becaufe the weight of a column of water 33 feet high...confequently, though there would be weight enough of air upon the furface C to make the water afcend in the leg CB almoft to the height B, if the fyphon were... | |
| James Ferguson - 1776 - Страниц: 546
...were 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 - 1786 - Страниц: 460
...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 - Страниц: 358
...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 - 1797 - Страниц: 450
...the whole clue follow. If the perpendicular height of a fyphon, from the furface of the water to it» bended top at B, be more than 33 feet, it will draw...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... | |
| James Ferguson - 1814 - Страниц: 420
...no water, even though the other leg were much longer, and the syphon quite emptied of air ; 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... | |
| 1816 - Страниц: 740
...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... | |
| John Imison - 1822 - Страниц: 528
...no water, even though the other leg were much longer, and the syphon quite empied of air ; because the weight of a column of water 33 feet high, is equal to the weight of a column of air reaching from the surface of the earth to the top of the atmosphere. Mercury may be... | |
| James Ferguson - 1823 - Страниц: 406
...no water, even though the other leg were much longer, and the syphon quite emptied of air ; because the weight of a column of water 33 feet high, is equal...weight of as thick a 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,... | |
| James Ferguson - 1839 - Страниц: 554
...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... | |
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