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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... "
Annals of Philosophy - Страница 110
1823
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Recreations in Mathematics and Natural Philosophy ...

Jacques Ozanam - 1803 - 554 страници
...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,...

An Elementary Treatise on Natural Philosophy, Том 1

René Just Haüy - 1807 - 478 страници
...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},...

Book I. Of the apparent motions of the celestial bodies. Book II. Of the ...

Pierre Simon marquis de Laplace - 1809 - 408 страници
...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...

A System of Chemistry, Том 4

Thomas Thomson - 1810 - 734 страници
...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...

Retrospect of Philosophical, Mechanical, Chemical, and Agricultural ..., Том 5

1810 - 606 страници
...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...

Outlines of Natural Philosophy: Being Heads of Lectures Delivered in ..., Том 1

John Playfair - 1812 - 344 страници
...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...

Recreations in Mathematics and Natural Philosophy ..

Jacques Ozanam - 1814 - 492 страници
...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,...

A Treatise on Topography, for Both Civil and Military Purposes

Charles Stanislas de Malortie de Martemont - 1815 - 320 страници
...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,...

A Treatise on the Science & Practical Detail of Trigonometrical Surveying ...

Charles Stanislas de Malortie de Martemont - 1820 - 560 страници
...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,...

Works, with a memoir of the author, Том 3

John Playfait - 1822 - 516 страници
...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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