...miles long. If anyone hasadefire to make this calculation after me, he may proceed upon thefe grounds. That the weight of a column of air reaching to the top of the atmofphere, is moft commonly equal to a column of water having the fame bafis, and the altitude of 34 feet ; that...

...feet high is of equal weight with 4 column of water of the fame breadth, and but one foot high. But a column of air reaching to the top of the atmofphere is of equal weight with a column of water about 33 feet high; for that is the greateft height that a pump,...

...whole height of the atmosphere might be ascertained without difficulty. It has been well established, that the weight of a column of air reaching to the top of the atmosphere, is equal to the weight of the mercury contained in the barometer, and counterbalancing...

...Refraction of the atmosphere. 85 feet above the general level of the surrounding fluid, and therefore the weight of a column of air reaching to the top of the atmosphere, is equal to the weight of a column of water, of the same base, with the altitude of 34...

...atmosphere. We move about, through, and under it, without being sensible of its having any weight. And yet hildren of men.' Ezek. mi- 15-17 : 'In the day when he w atmosphere is equal to the weight of a column of water at the temperature of 60 deg., the base of which...

...o° C. But at the top of a mountain of a little more than 5-5 kilometres or nearly 3-4 miles high, the weight of a column of air reaching to the top of the atmosphere would only be able to balance a column of mercury of half this height, or 380 mm. And a...