 I propose, therefore, to show how these extraordinary and most important changes occur, and shall point out some at least of the modes by which we can demonstrate the truth of this assertion by actual experiment. The principal causes which produce this...  Railway Locomotives and Cars - Σελίδα 1871843Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | 1842 - 476 σελίδες
...twenty-first volume of the Philosophical Magazine, from which periodical we have extracted it. ordinary and most important changes occur, and shall point...experiment. The principal causes which produce this change arc percussion, heat, and magnetism ; and it is doubtful whether either of these means per se •will... | |
 | William Newton - 1843 - 568 σελίδες
...molecular change in the structure of iron, by which the axles lose a vast proportion of their strength. The principal causes which produce this change are percussion, heat, and magnetism; and the author traces through a great number of practical case.s of ordinary occurrence, the joint as well... | |
 | Charles Holtzapffel - 1843 - 496 σελίδες
...fibrous, into the brittle and highly-crystallized quality known by the name of " cold short iron."—" The principal causes which produce this change are percussion, heat, and magnetism, and the author traces through a great number of practical cases of ordinary occurrence the joint, as well... | |
 | 1847 - 190 σελίδες
...diminished to a very great extent The importance which attaches to this subject will not be denied- The principal causes which produce this change are...magnetism; and it is doubtful whether either of these tneans^will produce this effect; and there appear strong reasons for supposing that, generally, they... | |
 | Thomas Kelt - 1849 - 424 σελίδες
...diminished to a very great extent. The importance which attaches to this subject will not be denied. The principal causes which produce this change are...magnetism; and it is doubtful whether either of these means will produce this effect; and there appear strong reasons for supposing that, generally, they are all... | |
 | Thomas Kelt - 1866 - 434 σελίδες
...diminished to a very great extent. The importance which attaches to this subject will not be denied. The principal causes which produce this change are...magnetism ; and it is doubtful whether either of these weans will produce this effect ; and there appear strong reasons for supposing that, generally, they... | |
 | Institution of Civil Engineers (Great Britain) - 1844 - 486 σελίδες
...molecular change in the structure of iron, by which the axles lose a vast proportion of their strength. The principal causes which produce this change are percussion, heat, and magnetism, and the author traces through a great number of practical cases of ordinary occurrence the joint, as well... | |
 | Institution of Civil Engineers (Great Britain) - 1844 - 480 σελίδες
...molecular change in the structure of iron, by which the axles lose a vast proportion of their strength. The principal causes which produce this change are percussion, heat, and magnetism, and the author traces through a great number of practical cases of ordinary occurrence the joint, as well... | |
 | 1842 - 594 σελίδες
...some remarks on the subject will be interesting to the members of the Institution of Civil Engineers. I propose, therefore, to show how these extraordinary...truth of this assertion by actual experiment. The importance which attaches to this subject at the present time will not, I think, be denied. The recent... | |
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