Elements of Meteorology: With Questions for Examination, Designed for Schools and AcademiesPratt, Woodford, Farmer & Brace, 1855 - 240 pagine |
Dall'interno del libro
Risultati 1-5 di 41
Pagina x
... Currents .. Action of Whirlwinds ... 122 123 123 124 125 125 126 128 Influence of High Mountains . Hail in Southern India .. PART IV . 129 129 ELECTRICAL PHENOMENA . CHAPTER I. OF ATMOSPHERIC ELECTRICITY . Electrometers .. Electric ...
... Currents .. Action of Whirlwinds ... 122 123 123 124 125 125 126 128 Influence of High Mountains . Hail in Southern India .. PART IV . 129 129 ELECTRICAL PHENOMENA . CHAPTER I. OF ATMOSPHERIC ELECTRICITY . Electrometers .. Electric ...
Pagina 38
... current will flow towards the lighter column , ( just as the compressed air within a bellows streams out into the rarer atmosphere , ) but at the top , to supply this loss , a counter current pre- vails . 77. This is illustrated by ...
... current will flow towards the lighter column , ( just as the compressed air within a bellows streams out into the rarer atmosphere , ) but at the top , to supply this loss , a counter current pre- vails . 77. This is illustrated by ...
Pagina 39
... currents of the atmos- phere , is as variable as that of the winds which sweep over the surface of the globe ; for the aëronaut , Green , who ascended from Liverpool , in 1839 , to the height of 14,000 feet , encountered a current that ...
... currents of the atmos- phere , is as variable as that of the winds which sweep over the surface of the globe ; for the aëronaut , Green , who ascended from Liverpool , in 1839 , to the height of 14,000 feet , encountered a current that ...
Pagina 40
... currents is ascer- tained by the speed with which the shadow of a cloud passes over the surface of the earth . 83. FORCE . The force of the wind is obtained , by observing the amount of pressure it exerts upon a given , plane surface ...
... currents is ascer- tained by the speed with which the shadow of a cloud passes over the surface of the earth . 83. FORCE . The force of the wind is obtained , by observing the amount of pressure it exerts upon a given , plane surface ...
Pagina 41
... current , which , in the torrid zone , is ever sweeping around the globe , in a westerly direction ; and , from its advantage to commerce , in always affording a steady gale to the bark of the adventurous mariner , is denominated the ...
... current , which , in the torrid zone , is ever sweeping around the globe , in a westerly direction ; and , from its advantage to commerce , in always affording a steady gale to the bark of the adventurous mariner , is denominated the ...
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Altre edizioni - Visualizza tutto
Elements of Meteorology: With Questions for Examination, Designed for ... John Brocklesby Visualizzazione completa - 1854 |
Elements of Meteorology with Questions for Examination, Designed for Schools ... John Brocklesby Anteprima non disponibile - 2015 |
Elements of Meteorology, with Questions for Examination, Designed for ... John Brocklesby Anteprima non disponibile - 2017 |
Parole e frasi comuni
absolute humidity aërolites altitude anemometer anthelia appears arch atmos atmosphere atmospheric electricity aurora barometer beheld body cause circles climes clouds coast cold colder colors column condensation coronas degrees density descend diameter direction distance earth electricity electrometer elevation equator fall feet figure flash fogs fulgurite Give instances glass globe hail halo heat height hemisphere hour humidity hurricane hygrometer images inches increase intervals Kaemtz latitude light luminous masses mercury meteorite Meteorology meteors miles miles per hour minute mirage mist moisture monsoon motion mountains northern northern hemisphere observations occur ocean origin pass Peru phenomena phenomenon portion prevail prismatic Prof rain rarefied rays refracted regions rise seen shooting-stars shower snow south-west storm stratum summit supposed surface temperature thermometer thunder-storm tints tion trade wind tricity tropics tube vapor velocity vessel violet warm whirlwind Yale College
Brani popolari
Pagina 183 - When the rising sun shines from that point whence its incident ray forms an angle of about 45° on the sea of Reggio, and the bright surface of the water in the bay is not disturbed either by the wind or the current...
Pagina 183 - ... numberless series of pilasters, arches, castles well delineated, regular columns, lofty towers, superb palaces, with balconies and windows, extended alleys of trees, delightful plains with herds and flocks, armies of men on foot and horseback, and many other strange images, in their natural colours and proper actions, passing rapidly in succession along the surface of the sea...
Pagina 86 - They originate in the same causes as rain — the union of a cool body of air with one that is warm and humid ; when the precipitation of moisture is slight, fogs are produced ; when it is copious, rains are the result.
Pagina 191 - India probably arises from this cause. " A deep precipitous valley below us, at the bottom of which I had seen one or two miserable villages in the morning, bore in the evening a complete resemblance to a beautiful lake ; the vapour which played the part of water ascending nearly half way up the sides of the vale, and on its bright surface trees and rocks being distinctly reflected. I had not been long contemplating this phenomenon, before a sudden storm came on and dropped a curtain of clouds over...
Pagina 236 - I witnessed this phenomenon by myself, I should have been disposed to receive with caution the evidence even of my own senses, as to this last fact; but the appearance conveying precisely the same idea to three...
Pagina 7 - PROGRESSIVE EXERCISES IN ANALYSIS AND PARSING 0 15 INTRODUCTION TO ANALYTICAL GRAMMAR 0 30 NEW, OR ANALYTICAL AND PRACTICAL ENGLISH GRAMMAR 0 63 LATIN LESSONS, WITH EXERCISES IN PARSING. By Geo. Spencer, AM Half cloth, enlarged 0 63 BULLIONS' PRINCIPLES OF LATIN GRAMMAR 1 00 BULLIONS' LATIN READER. With an Introduction on the Idioms of the Latin Language. An improved Vocabulary 1 00 BULLIONS' CAESAR'S COMMENTARIES , 1 00 BULLIONS
Pagina 5 - KEY TO ALGEBRA 0 84 ELEMENTS OF GEOMETRY 1 00 These books are believed to be unrivaled in the following particulars: 1. The philosophical accurateness with which their topics are arranged, so as to show the mutual dependence and relationship of their subjects. 2. The scientific correctness and practical convenience of their greatly improved nomenclature. 3. The clear and concise manner in which principles are stated and explanations are given. 4. Brevity and completeness of rules.