| 740 páginas
...than that nearer the bed. The result of the observation of Professor Forbes on the subject is, that a glacier is an imperfect fluid, or viscous body, which...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... | |
| James David Forbes - 1843 - 480 páginas
...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... | |
| 1843 - 504 páginas
...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,... | |
| 1844 - 568 páginas
...from the bank.' — p. 176. Professor Forbes's own theory of glacier motion is therefore this: — A glacier is an imperfect fluid, or viscous body, which...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 páginas
...from the bank.' — p. 176. Professor Forbes's own theory of glacier motion is therefore this: — A glacier is an imperfect fluid, or viscous body, which...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... | |
| 1844 - 608 páginas
...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 - 702 páginas
...Professbr Forbes, which is embodied in the following prOpositidri— a GLACIER IS AN IMPERFECT FLUID, Oft A VISCOUS BODY, WHICH IS URGED DOWN SLOPES OF A CERTAIN...INCLINATION, BY THE MUTUAL PRESSURE OF ITS PARTS. The idea embodied in this proposition is, doubtless, bold and startling. The Bishop of 'Annecy shrunk... | |
| LONGMAN, BROWN, GREEN, & LONGMANS - 1844 - 652 páginas
...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 páginas
...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 páginas
...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.... | |
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