 | Sir Richard Phillips - Physics - 1826 - 236 pages
...28 and 31 inches, but it is seldom seen below 28 1-2 or 30 1-2 inches. 2. In calm weather, when it is inclined to rain, the mercury is commonly low....unaccompanied with rain, the mercury sinks lowest of all. 2. The air presses equally in all directions. Exp. 1. If a glass vessel be filled with water, and covered... | |
 | George Mackenzie - Meteorology - 1829 - 124 pages
...atmosphere without any perceptible alteration in the Barometer. Dr. Halleys Rules for the Barometer. I. In calm weather when the air is inclined to rain, the mercury is commonly low. II. In serene, good, and settled weather, the mercury is generally high. III. Upon any great winds,... | |
 | Sir Richard Phillips - Physics - 1832 - 286 pages
...the altitude of the barometer varies much less than it does in more northern or southern places. 178. In calm weather, when the air is inclined to rain,...unaccompanied with rain, the mercury sinks lowest of all. 179. By increasing the pressure upon air, it may be condensed into any given space however small. The... | |
 | Industrial arts - 1838 - 348 pages
...23 and 31 inches, but it is seldom to be seen below 28i or 30A inches. 2. In caim weather, when it is inclined to rain, the mercury is commonly low....unaccompanied with rain, the mercury sinks lowest of all. 2. The air presses equally in all directions. Exp. 1. If a glass vessel be filled with water, and covered... | |
 | George Grant - Knowledge and learning - 1849 - 328 pages
...shall here advert. He states the most general: phenomena in eight propositions. 1. In calm settled weather, when the air is inclined to rain, the mercury is commonly low. 2. In serene, good, settled weather, the mercury ia generally high. 3. Great winds, though not accompanied... | |
 | James H. Pickford - Hygiene - 1858 - 336 pages
...inches the probabilities of fine weather are in a diminishing proportion with equal increments. (6.) In calm weather, when the air is inclined to rain, the mercury is commonly low. (7.) It sinks lowest in very great winds, though these be unattended with rain. (8.) In very hot weather... | |
 | William Austin Burt - Solar compass - 1858 - 210 pages
...height of the mountain. The following are extracts from the remarks of the late eminent Dr. Halley:— "In calm weather, when the air is inclined to rain, the mercury is eommonty low. " In serene, good weather, the mercury is generally high. Upon very great winds, though... | |
 | James Smith (author of the Panorama of science and art.) - Industrial arts - 1859 - 924 pages
...as the basis on which he proceeds. Phenomena of the barometer, and their causes. 1. In calm settled weather, when the air is inclined to rain, the mercury is commonly low.* 2. In serene, good, settled weather, the mercury is generally high. 3. Great winds, though not accompanied... | |
 | James Africanus B. Horton - 1867 - 432 pages
...inches the probabilities of fine weather are in a diminishing proportion with equal increments. 6. In calm weather, when the air is inclined to rain, the mercury is commonly low. 7. It sinks lowest in very great winds, though these be unattended with rain. 8. In very hot weather... | |
 | William Austin Burt - Solar compass - 1881 - 224 pages
...height of the mountain. The following are extracts from the remarks of the late eminent Dr. Hallcy:— "In calm weather, when the air is inclined to rain, the mercury is commonly low. " In serene, good weather, the mercury is generally high. Upon very great winds, though they be not accompanied... | |
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In calm weather when the air is inclined to rain, the mercury is commonly low. In serene settled weather the mercury is generally high. During very great winds, though unaccompanied with rain, the mercury sinks lowest of all with relation to the point... 
