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" ... in a few hours. Now, the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury twenty-eight inches high, or of a column of water of the height of about thirty-three feet. "
The Principles of Mechanics ...: To which is Now Added, an Appendix ... - Pągina 112
per William Emerson - 1825 - 318 pągines
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The Principles of Mechanics: Explaining and Demonstrating the General Laws ...

William Emerson - 1758 - 284 pągines
...within the veflel will be inthefameftate ofcompreffion. And the compreflion in the bottom of the veflel can only exceed that at the top, by the weight of a column of air of the Jteight of the veflcl AC, (by Cor. I. Prop. LXXXII.) But the » I c, weight of luch a column of air...
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Elements of Botany and Vegetable Physiology: Including the Characters of the ...

Achille Richard - 1831 - 563 pągines
...force to raise the column of mercury thirty-two inches and a half above its level, in a few hours. Now, the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury twenty-eight inches high, or of a column of water...
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Elements of botany and vegetable physiology, tr. from the fourth ed. by W ...

Achille Richard - 1831
...force to raise the column of mercury thirty-two inches and a half above its level, in a few hours. Now, the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury twenty-eight inches high, or of a column of water...
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The Principles of Mechanics: Explaining and Demonstrating the General Laws ...

William Emerson, G. A. Smeaton - 1836 - 320 pągines
...equality ofpresPROP. LXXXIX. (Fig. 13. PI. XII.) IF AIR, OR ANY ELASTIC FLUID OF SMALL DENSITY, BE SHUT OP IN A CLOSE VESSEL, EVERY PART OF IT WILL BE IN THE...but the weight of such a column of air is insensible m respect of the external pressure, or the pressure of the height of the atmosphere. And, therefore,...
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The American School Geography: Embracing a General View of Mathematical ...

Barnum Field - 1837 - 156 pągines
...than water. The height of the atmosphere is supposed to be about 45 miles. 128 PHYSICAL GEOG&APHfi The weight of a column of air of the height of the atmosphere is known to be equal to a column of water of the same size, 32 feet high, since that is...
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The American School Geography: Embracing a General View of Mathematical ...

Barnum Field - 1840 - 152 pągines
...to be 840 times lighter than water. The height of the atmosphere is supposed to be about 45 miles. The weight of a column of air of the height of the atmosphere is known to be equal to a column of water of the same size, 32 feet high,,since that is...
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A history of the vegetable kingdom

William Rhind - 1841
...to raise the column of nrrcary thirty-two inches and a lialf above its It-rrl, in a few hours. Now, the weight of a column of air of the height of the atmosphere ic equal to that of a column of mercury twentyn'jht inches high, or of a column of water...
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Mechanics for junior students

William James Browne - 1883 - 200 pągines
...would reach. We know that it supports on an average a column of mercury 30 inches high ; therefore the weight of a column of air of the height of the atmosphere is equal to that of a column of mercury 30 inches high, or to a column of water 30 X 13'6...
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Cooley's Cyclopędia of Practical Receipts and Collateral ..., Volum 1

Arnold James Cooley - 1892
...at the foot of a mountain, the pressure it sustain« is greater than that to which it is subjected at the top, by the weight of a column of air, of unit cross-section, intervening between the top and the (Kit torn. The height can bo obtained from...
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Cooley's Cyclopędia of Practical Receipts and Collateral Information in the ...

Arnold James Cooley - 1892
...is at the foot of a mountain, the pressure it sustains is greater than that to which it is subjected at the top, by the weight of a column of air, of unit cross-section, intervening between the top and the bottom. The height can be obtained from the...
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