 | 1826 - Страниц: 616
...acquires a darker tint upon its surface, is Jess easily acted upon, and, as the stream gets wider, the surface having lost its state of perfect solution,...very porous matter, to which they give the name of scoriae, and the appearance of which has led many to suppose that it proceeded thus from the mountain... | |
 | William Otter - 1824 - Страниц: 700
...acquires a darker tint upon its surface, is less easily acted upon, and, as the stream gets wider, the surface having lost its state of perfect solution...very porous matter, to which they give the name of scoriae, and the appearance of which has led many to suppose, that it proceeded thus from the mountain... | |
 | 1825 - Страниц: 712
...acquires a darker tint upon its surface, is less easily acted upon, and, as the stream gets wider, the surface having lost its state of perfect solution,...very porous matter, to which they give the name of scoriae, and the appearance of which has led many to suppose, that it proceeded thus from the mountain... | |
 | William Otter - 1827 - Страниц: 544
...innumerable, fragments of very porous matter, to which they give the name of scoriae, and the appearance oi which has led many to suppose, that it proceeded thus from the mountain itself, being composed of materials less soluble than the rest of the lava, lighter, and of course... | |
 | William Clarke (architect.) - 1836 - Страниц: 358
...acted upon, and as the stream gets wider, the surface having lost its state of perfect solution Sfrows harder and harder, and cracks into innumerable fragments...to suppose that it proceeded thus from the mountain ; itself being composed of materials less soluble than the rest of the lava, lighter, and of course... | |
 | William Clarke (architect.) - 1836 - Страниц: 354
...it acquires a darker tint upon its surface, is less easily acted upon, and as the stream gets wider, the surface having lost its state of perfect solution...very porous matter, to which they give the name of scoriae, and the appearance of which has led many to suppose that it proceeded thus from the mountain... | |
 | William Clarke (architect.) - 1836 - Страниц: 392
...surface having lost its state of perfect solution Ijrows harder and harder, and cracks into innumerab!« fragments of very porous matter, to which they give the name of scoriae, and the appearance of which has led many to suppose that it proceeded thus from the mountain... | |
 | 1838 - Страниц: 274
...acquires a darker tint upon its surface, is less easily acted upon, and, as the stream gets wider, the surface having lost its state of perfect solution,...to suppose that it proceeded thus from the mountain itself, being composed of materials less soluble than the rest of the lav&, lighter, and of course... | |
 | 1838 - Страниц: 272
...acquires a darker tint upon its surface, is less easily acted upon, and, as the stream gets wider, the surface having lost its state of perfect solution,...very porous matter, to which they give the name of scorite, and the appearance of which has led many to suppose that it proceeded thus from the mountain... | |
 | 1838 - Страниц: 544
...surface having lost its state of perfect «olution, grows harder and harder, and cracks into iunumerable fragments of very porous matter, to which they give the name of scoria;, and the appearлпс-е of which has led many to suppose that it proceeded thus from the mountain itself, being... | |
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The lava, at a small distance from its source, acquires a darker tint upon its surface, is less easily acted upon, and, as the stream widens, the surface, having lost its state of perfect solution, grows harder and harder, and cracks into innumerable... 
