| 740 Seiten
...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,...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... | |
| 1844 - 568 Seiten
...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,...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 Seiten
...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,...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 Seiten
...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,... | |
| LONGMAN, BROWN, GREEN, & LONGMANS - 1844 - 652 Seiten
...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 Seiten
...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... | |
| John Murray - 1846 - 552 Seiten
...result of patient and acute study of glacier phenomena, is that of Professor Forbes, who asserts, that " a glacier is an imperfect fluid, or viscous body,...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... | |
| Gift book - 1846 - 302 Seiten
...rude flexibility, sensible even to the hand. Professor Forbes's theory of glacier motion is this : — A glacier is an imperfect fluid, or viscous body,...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,... | |
| 1847 - 640 Seiten
...concerning them, as put forth by the highest known authority on the subject,? amounts to this : that a glacier is an imperfect fluid or viscous body, which...certain inclination by the mutual pressure of its parts. To resume, then, our narrative. As soon us we fairly set foot on the great glacier of the Mcr de Glace,... | |
| John Lee Comstock - 1847 - 434 Seiten
...chief previous theories, announces his own, as follows : — " 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." It is, therefore, the gravity of its own mass, by which it is urged forward, and this he illustrates... | |
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