| Charles Hutton - 1803
...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 44 of a lin$ in the temperatures of- from 52° to 55° Fahrenheit,... | |
| René Just Haüy - 1807 - 427 pagine
...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
...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 - 669 pagine
...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
...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
...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, Jean Etienne Montucla, Charles Hutton - 1814
...in levelling, may be safely disregarded. " The French have heretofore considered 28 Paris inches as **the mean height of the barometer at the level of the sea,** that is 29'84 English inches. But from 1400 observations, made at Rochelle by Fleurieu de Bellevue,... | |
| 1815
...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
...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,... | |
| John Playfait - 1822
...ever likely to be obtained from it. It would, however, be of consequence to determine, by observation, **the mean height of the barometer at the level of the sea** in the different regions of the earth. That mean height is not every where the same. Under the line,... | |
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