 | 1842 - 460 pages
...cooling process has proceeded too far when it receives this additional hammering, that part of the bar immediately becomes crystallized, and so extremely...exhibit the best and toughest quality imaginable. * Davy's Chemical Philo»>pbr, p. 138. This change, therefore, has been produced by percussion (as... | |
 | 1842 - 476 pages
...cooling process has proceeded too far when it receives this additional hammering, that part of the bar immediately becomes crystallized, and so extremely...pieces by merely throwing it on the ground, though all tho rest of the bar will exhibit the best and toughest quality imaginable. * Davy's Chemical Philosophy,... | |
 | 1847 - 190 pages
...cooling process has proceeded too far when it receives this additional hammering, that part of the bar immediately becomes crystallized, and so extremely...by percussion as the primary agent- We here see the effects of percussion in a very instructive form- And it must be observed, that it is not the excess... | |
 | Thomas Kelt - 1849 - 424 pages
...cooling process has proceeded too far when it receives this additional hammering, that part of the bar immediately becomes crystallized, and so extremely...by percussion as the primary agent- We here see the effects of percussion in a very instructive form- And it must be observed• that it is not the excess... | |
 | 1843 - 884 pages
...Chemical Philosophy, p. 138. additional hammering, that part of the bar immediately becomes crystalized, and so extremely brittle that it will break to pieces...been produced by percussion, (as the primary agent,) when the bar is at a lower temperature than a welding heat. We here see the effects of percussion in... | |
 | 1855 - 420 pages
...cooling process has proceeded too far when it receives this additional hammering, that part of the bar immediately becomes crystallized, and so extremely...by percussion as the primary agent. We here see the effects of percussion in a very instructive form. And it must be observed, that it is not the excess... | |
 | William Turner Coggeshall - 1861 - 752 pages
...the bar a few blows with the hammer upon that part which he first operated upon. That part of the bar immediately becomes crystallized, and so extremely...been produced by percussion (as the primary agent) when the bar is at a lower temperature than the welding heat. Here it must be observed that it is not... | |
 | Sir William Fairbairn - 1861 - 278 pages
...iipon that part which he first operated upon. That part of the bar immediately becomes crystallised, and so extremely brittle that it will break to pieces...been produced by percussion (as the primary agent) when the bar is at a lower temperature than the welding heat. Here it must be observed that it is not... | |
 | 1864 - 494 pages
...the bar a few blows with the hammer upon that part which he first operated upon. That part of the bar immediately becomes crystallized, and so extremely...been produced by percussion (as the primary agent) when the bar is at a lower temperature than the welding heat. Here it must be observed that it is not... | |
 | Sir William Fairbairn - 1865 - 354 pages
...upon that part which he first operated upon. That part of the bar immediately becomes crystallised, and so extremely brittle that it will break to pieces...been produced by percussion (as the primary agent) when the bar is at a lower temperature than the welding heat. Here it must be observed that it is not... | |
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... additional hammering, that part of the bar immediately becomes crystallized, and so extremely brittle that it will break to pieces by merely throwing it on the ground, though all the rest of the bar will exhibit the best and toughest quality imaginable-... 