 | 1842 - Liczba stron: 460
...natural state of a large number of the metals ; and Sir Humphrey Davy has shewn that all those which arc fusible by ordinary means assume the form of regular...us, appears, I think, to leave no doubt that there i« a constant tendency in wrought iron, under certain circumstances, to return to the crystallized... | |
 | Charles W. Vincent, James Mason - 1843 - Liczba stron: 468
...of iron broken under various circumstances ; and the general conclusions arrived at appeared to be, that there is a constant tendency in wrought iron,...circumstances, to return to the crystallized state ; that this crystallization is not necessarily dependent upon time for its development, but is determined... | |
 | 1847 - Liczba stron: 190
...in fact, being the natural state of a large number of metals ; — and Sir Humphrey Davy has shown, that all those which are fusible by ordinary means...conclusion, to which these remarks lead us, appears to leave no doubt that there is a constant tendency in wrought iron, under certain circumstances, to... | |
 | 1843 - Liczba stron: 884
...structure, in fact, being the natural state of a large number of the metals; and Sir Humphrey Davy has shown that all those which are fusible by ordinary means,...iron, under certain circumstances, to return to the crystalized state; but that this crystalization is not necessarily dependent upon time for its development,... | |
 | Thomas Kelt - 1849 - Liczba stron: 424
...in fact, being the natural state of a large number of metals ; — and Sir Humphrey Davy has shown, that all those which are fusible by ordinary means...conclusion, to which these remarks lead us, appears to leave no doubt that there is a constant tendency in wrought iron, under certain circumstances, to... | |
 | 1855 - Liczba stron: 420
...in fact, being the natural state of a large number of metals ; — and Sir Humphrey Davy has shown, that all those which are fusible by ordinary means...conclusion, to which these remarks lead us, appears to leave no doubt that there is a constant tendency in wrought iron, under certain circumstances, to... | |
 | Samuel Baldwyn Rogers - 1860 - Liczba stron: 638
...natural state of a large number of the metals : and Sir Humphry Davy has shown that all those metals which are fusible by ordinary means assume the form of regular crystals by slow cooling. The vaporisation of water, and the effluence of steam, have already been stated to produce large quantities... | |
 | Franklin Institute (Philadelphia, Pa.) - 1843 - Liczba stron: 442
...structure, in fact, being the natural state of a large number of the metals; and Sir Humphrey Davy has shown that all those which are fusible by ordinary means,...iron, under certain circums'tances, to return to the crystalized state; but that this crystalization is not necessarily dependent upon time for its development,... | |
 | 1841 - Liczba stron: 436
...of iron hroken under various circumstances, and the general conclusion arrived at, appeared to he, that there is a constant tendency in wrought iron under certain circumstances to return to the crystalized state ; that this crystallization is not necessarily dependent upon time for its development,... | |
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... wrought iron is entirely produced by art; and we see in these changes that have been described, an effort at returning to the natural and primal form; the crystalline structure, in fact, being the natural state of a large number of the metals ; and... 