 | 1791 - 618 ページ
...the variations are confiderably fmaller in very elevated (ituation than on the level of the fea. 5. That the mean height of the barometer at the level of the fea, in mod parts of the globe hitherto examined, is about 30 inches. Of the connexion of the variations... | |
 | Jacques Ozanam - 1803 - 554 ページ
...subjoin them. " Sir George Schuckburg has shewn, from 132 observations, made in Italy and in England, that the mean height of the barometer at the level of the sea, the temperature of the mercury being 55°, and of the air 62°, is 30.04 inches*, AVC may then assume... | |
 | René Just Haüy - 1807 - 478 ページ
...on account of their assuming 98 French or 29'9 English inches, instead of 30'OS English inches, for the mean height of the barometer at the level of the sea, are suggested by Mr. "Kirwttn, in his tract " On the Variation of the Atmosphere." TR. (a) M. Girari},... | |
 | Pierre Simon marquis de Laplace - 1809 - 408 ページ
...its weight balances that of the mercury in the barometer. At the temperature of melting ice and at the mean height of the barometer at the level of the sea, which height is nearly seventy-six centimetres, the weight of air is to that of a similar column of... | |
 | Thomas Thomson - 1810 - 734 ページ
...diminish the density of the air, are at their maximum, while at the pole they are at their minimum. The mean height of the barometer at the level of the sea, all • Mamintcr Tru/.ToL iv. p 543. i Or Halley. •ver the globe, is 30 inches ; the weight of the... | |
 | 1810 - 606 ページ
...account of the assumption of 28 French or 2p.C) English inches, instead of 30.08 English inches, for the mean height of the barometer at the level of the sea, are pointed out by Mr. Kinvcm, in his tract "' On the Variation of the Atmosphere." In the present... | |
 | John Playfair - 1812 - 344 ページ
...the steam. The mean weight of the atmosphere is here understood to be equal to 30 inches of mercury, the mean height of the barometer at the level of the sea. In the construction of thermometers, care should be taken to mark the boiling point, or 212, only when... | |
 | Jacques Ozanam - 1814 - 508 ページ
...Bellevue, and from five years' observations made at Port Louis, in the isle of France, he concludes the mean height of the barometer at the level of the sea to be 28 inches and 2 lines and ±% of a line, in the temperatures of from 52* to 55° Fahrenheit,... | |
 | Charles Stanislas de Malortie de Martemont - 1815 - 320 ページ
...sensible error, regard them as constant during an interval of someyears. For performing the calculation, the mean height of the barometer at the level of the sea must be known. According to the experiments of Sir George Schuckburg, which are regarded as very accurate,... | |
 | Charles Stanislas de Malortie de Martemont - 1820 - 560 ページ
...sensible error, regard them as constant during an interval of some years. For performing the calculation, the mean height of the barometer at the level of the sea must be known. According to the experiments of Sir George Schuckburg, which are regarded as very accurate,... | |
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From the foregoing statements it may be safely inferred that " the mean height of the barometer at the level of the sea being the same in every part of the globe... 
