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" The ascending columns will carry up with them the aqueous vapor which they contain, and if they rise high enough, the cold produced by expansion from diminished pressure, will condense some of this vapor into cloud ; for it is known that cloud is formed... "
Report of the ... Meeting of the British Association for the Advancement of ... - Page 14
by British Association for the Advancement of Science - 1841
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The Philosophy of Storms

James Pollard Espy - 1841 - 620 pages
...some of this vapor into cloud ; for it is known that cloud is formed in the receiver of an air pump when the air is suddenly withdrawn. The distance or...quantity, depending on the number of degrees which the dew point is below the temperature of the air ; and this height may be known at any time by observing...
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Maryland Medical and Surgical Journal: And Official Organ of the ..., Volume 2

1842 - 570 pages
...the nephelescope, shows that the condensation of this vapor is attended with an evolution of heat. "The distance or height to which the air will have...cooled down below the temperature of the air before the vapor begins to condense on the outside. The highest temperature at which it will condense, which is...
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The Dynamical Theory of the Formation of the Earth, Volume 2

Archibald Tucker Ritchie - 1850 - 678 pages
...withdrawn. The height to which the air will have to ascend before it be cold enough to form clouds is a variable quantity, depending on the number of degrees which the dew point is below the temperature of the air ; .... and the difference between the dew point and the...
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The Dial, Volume 1

Moncure Daniel Conway - 1860 - 794 pages
...that cloud is formed in the receiver of an air-pump when the air is suddenly withdrawn. The distance to which the air will have to ascend before it will...below the temperature of the air : and this height may bo known at any time, by observing how many degrees a thin metallic tumbler of water must be cooled...
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The Dial, Volume 1

Moncure Daniel Conway - 1860 - 786 pages
...that cloud is formed in the receiver of an air-pump when the air is suddenly withdrawn. The distance to which the air will have to ascend before it will...is a variable quantity, depending on the number of degrces which the dew-point is below the temperature of the air ; and this height may be known at any...
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The Creation: The Earth's Formation on Dynamical Principles in Accordance ...

Archibald Tucker Ritchie - 1874 - 690 pages
...into cloud The height to which the air will have to ascend before it be cold enough to form clouds is a variable quantity, depending on the number of...dew-point is below the temperature of the air And the difference between the dew-point and the temperature of the air in degrees is called the complement...
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The American Journal of Science and Arts

1840 - 884 pages
...high enough, the cold produced by expansion from diminished pressure, will condense some of this vapor into cloud ; for it is known that cloud is formed...quantity depending on the number of degrees which the dew point is below the temperature of the air; and this height may be known at any time by observing...
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