 | 740 σελίδες
...of the observation of Professor Forbes on the subject is, that a glacier is an imperfect fluid, or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts ; and a writer in Murray's " Swiss Guide" illustrates this sort of motion by that of lava descending... | |
 | 1843 - 504 σελίδες
...entertained. My theory of glacier Motion then is this :• — 'A GLACIER is AN IMPERFECT FLUID, OR A VISCOUS BODY. WHICH IS URGED DOWN SLOPES OF A CERTAIN...INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS. The sort of consistency to which we refer may be illustrated by that of a moderately thick mortar, or of... | |
 | James David Forbes - 1843 - 480 σελίδες
...farther entertained. My theory of Glacier Motion then is this : — A GLACIEB is AN IMPERFECT FLUID, OR A VISCOUS BODY, WHICH IS URGED DOWN SLOPES OF A CERTAIN...INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS. The sort of consistency to which we refer may be illustrated by that of moderately thick mortar, or of... | |
 | 1844 - 608 σελίδες
...these observations, and deduced from these facts, is this : — " A glacier is an imperfect fluid or a viscous body, which is urged down slopes of a certain...inclination by the mutual pressure of its parts." This modification of Saussure's theory is so consistent with facts, and so plain and obvious when announced,... | |
 | 1844 - 568 σελίδες
...Professor Forbes's own theory of glacier motion is therefore this: — A glacier is an imperfect fluid, or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts : — and be illustrates and explains this view by such a variety of practical proofs and observations... | |
 | 1844 - 698 σελίδες
...Professor Forbes's own theory of glacier motion is therefore this: — A glacier is an imperfect fluid, or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts : — and he illustrates and explains this view by such a variety of practical proofs and observations... | |
 | LONGMAN, BROWN, GREEN, & LONGMANS - 1844 - 652 σελίδες
...Professor Forbes, which is embodied in the following proposition — a <1LAC1ER IS AN IMPKRFECT FLUID,' OR A vISCOUS BODY, WHICH IS URGED DOWN SLOPES OF A CERTAIN INCLINATION, BY THB> -MUTUAL PRESSURE OF ITS PARTS. The idea embodied in this proposition is, doubtless, bold and startling.... | |
 | 1845 - 624 σελίδες
...long-continued observations, is expressed in these words:— " A glacier is an imperfect fluid, or a viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts."—(p. 365). And the only hesitation we feel in adopting this opinion lies in the single word... | |
 | Wilhelm Wittich - 1845 - 432 σελίδες
...of wetness or infiltration. It ' is an imperfect fluid, or a viscous body, which is urged down the slopes of a certain inclination by the mutual pressure of its parts, and he compares it to a thick mortar, or the contents of a tar-barrel poured into a sloping channel.... | |
 | John Murray - 1846 - 552 σελίδες
...glacier phenomena, is that of Professor Forbes, who asserts, that " a glacier is an imperfect fluid, or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts ;" nearly in the same manner as lava descends from the mouth of a volcano, or honey would flow from... | |
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A GLACIER is AN IMPERFECT FLUID, OR A VISCOUS BODY. WHICH IS URGED DOWN SLOPES OF A CERTAIN INCLINATION BY THE MUTUAL PRESSURE OF ITS PARTS. 
