 | Richard Green Parker - Physics - 1859 - 480 pages
...General Rules by which Changes of the VSeather may be prognosticated by means of the Barometer.* (I.) Generally the rising of the mercury indicates the approach of fair weather. (2.) In sultry weather the fall of the mercury indicates coming thunder. In winter the rise of the... | |
 | John Drew - Meteorology - 1860 - 366 pages
...absolute height. However, when the mercury is low, wind and perhaps storms may be anticipated. ft. Generally the rising of the mercury indicates the approach of fair weather ; the falling of it shows the approach of foul weather. y. In sultry weather the fall of the mercury indicates coming thunder.... | |
 | Henry Steel Olcott - Technology & Engineering - 1860 - 200 pages
...different places : 1. When the mercury is very law, high winds and storms are likely to prevail. 2. Generally the rising of the mercury indicates the approach of fair weather; the falling of it shows the approach of fo.ul weather. 3. In sultry weather the falling of the mercury indicates. coming... | |
 | Richard Green Parker - Physics - 1861 - 488 pages
...541. General Rules by which Changes of the Weather may be prognosti cated by means of the Barometer.* (1.) Generally the rising of the mercury indicates the approach of fair weather. (2.) In sultry weather the fall of the mercury indicates coming thunder. In winter the rise of the... | |
 | Richard Green Parker - Physics - 1862 - 488 pages
...541. General Rules by which Changes of the Weather may be prognvstt cated by means of the Barometer.* (1.) Generally the rising of the mercury indicates the approach of fair weather. (2.) In sultry weather the fall of the mercury indicates coming thunder. In winter the rise of the... | |
 | Dionysius Lardner - Physics - 1865 - 442 pages
...which the weather may be prognosticated. The following brief general maxims have been proposed : — L Generally the rising of the mercury indicates the approach of fair weather, the falling of it shows the approach of foul weather. thunder. In winter the rise of the mercury indicates frost. In... | |
 | David Ames Wells - 1870 - 408 pages
...the state of the weather. What RULES does Dr. Lardner lay down for observing by the Barometer ? — " Generally the rising of the mercury indicates the approach of fair weather ; the falling of it shows the approach cAfoul weather. In sultry weather the fall of the mercury indicates coming thunder.... | |
 | Sidney Augustus Norton - Physics - 1875 - 304 pages
...intervals, may be followed by changes in the weather. Rules for predicting changes in the weather: (1) The rising of the mercury indicates the approach of fair weather; the falling of the mercury indicates the approach of foul weather. (2) A sudden and great fall indicates a violent... | |
 | Isaac Todhunter - 1877 - 442 pages
...are given' in Dr Lardner's Treatise on Hydrostatics and Pneumatics as in general fairly trustworthy. (1) Generally the rising of the mercury indicates the approach of fair weather ; the falling of it shews the approach of foul weather. (2) In sultry weather the fall of the mercury indicates coming... | |
 | Isaac Todhunter - Philosophy - 1877 - 452 pages
...are given in Dr Lardncr's Treatise on Hydrostatics and Pneumatics as in general fairly trustworthy. (1) Generally the rising of the mercury indicates the approach of fair weather ; the fulling of it shews the approach of foul weather. (2) In sultry weather the fall of the mercury indicates... | |
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The following rules may generally be relied upon, at least to a certain extent : — 1 . Generally the rising of the mercury indicates the approach of fair weather : the falling of it shows the approach of foul weather. 2. In sultry weather the fall of... 
