 | Encyclopaedia Americana - 1833 - عدد الصفحات: 548
...agitated by tides or winds, they sometimes become dangerous to navigators. WHIRLWINDS sometimes arise from winds blowing among lofty and precipitous mountains,...winds thus encounter one another, any cloud which happen« to be between them is, of course, condensed, and turned rapidly round ; and all substances,... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 1833 - عدد الصفحات: 570
...agitated by tides or winds, they sometimes become dangerous to navigators. WHIRLWINDS sometimes arise from winds blowing among lofty and precipitous mountains,...of which influences their direction, and occasions pi** to descend with a spiral or whirling motion. They are frequently, however. caused by two winds... | |
 | Ireland commissioners of nat. educ - 1835 - عدد الصفحات: 398
...bay of Bengal at the changing of the monsoons, and on the coasts of China. Whirlwinds sometimes arise from winds blowing among lofty and precipitous mountains,...direction, and occasions gusts to descend with a spiral or whirl, ing motion. They are frequently, however, caused by two winds meeting each other at an angle,... | |
 | 1873 - عدد الصفحات: 744
...least important. In the British Islands the fickleness of the winds is very great. . Whirlwinds are caused by two winds meeting each other at an angle, and then turning upon a centre. Sometimes they arise from winds blowing among lofty and precipitous mountains, the form of whichinfluences... | |
 | Mrs. Loudon (Jane), Jane Loudon - 1848 - عدد الصفحات: 426
...occasion the gusts to ascend with a spiral or whirling motion. They are frequently, however, formed by two winds meeting each other at an angle, and then...course, condensed, and turned rapidly round; and all WATER-SPOUT. substances, sufficiently light, are carried up into the air by the whirling motion which... | |
 | 1854 - عدد الصفحات: 644
...the changing of the monsoons, and on the coasts of China. WHIRLWINDS. — Whirlwinds sometimes arise from winds blowing among lofty and precipitous mountains,...caused by two winds meeting each other at an angle ami then turning upon a centre. Wiien two winds thus encounter one another, any cloud which happens... | |
 | ALL. - 1859 - عدد الصفحات: 380
...changing of the monsoons, and on the coasts of China. What art Whirlwinds f Whirlwinds sometimos arise from winds blowing among lofty and precipitous mountains,...encounter one another, any cloud which happens to bo between them is of course condensed, and turned rapidly round: and all substances sufficiently light... | |
 | Robert Kemp Philp - 1859 - عدد الصفحات: 396
...precipitous mountains, the form of which influences their (luvction, and occasions gusts to descend •wiih a spiral or whirling motion. They are frequently,...other at an angle, and then turning upon a centre. \Yhen two winds thus encounter one another, any cloud which happens to be between them is of course... | |
 | John J. Thomas - 1864 - عدد الصفحات: 392
...5 9 4 54 7 18 4 55 7 17 11 18 11 56 1 5 458 459 7 14 11 21 71312 0 1 55 WHIRLWINDS sometimes arise from winds blowing among lofty and precipitous mountains,...meeting each other at an angle, and then turning upon a center. When two winds thus encounter one another, any cloud which happens to be between them is of... | |
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Whirlwinds sometimes arisfi from winds blowing among lofty and precipitous mountains, the form of which influences their direction, and occasions gusts to descend with a spiral or whirling motion. They are frequently, however, caused by two winds meeting... 