 | 1824 - 514 σελίδες
...or disperse it, if sufficiently thin ; but it scarcely raises the temperature of a bar of metal, ort account of its large mass. It is by the heat of the...when not conveyed by a good conductor, that buildings struck by it are frequently set on fire. No instance has yet occurred of an iron bar, of rather more... | |
 | 1824 - 512 σελίδες
...heat is sufficient to make a metallic wire red hot, or to fuse or disperse it, if sufficiently thin ; but it scarcely raises the temperature of a bar of metal, on account of its large mass. It is by the beat of the electric current, as well as by that disengaged from the air, condensed by the passage... | |
 | 1825 - 418 σελίδες
...made, to protect ships, by thin slips of copper nailed to their masts. The heat of the electric fluid scarcely raises the temperature of a bar of metal, on account of its large mass; and no instance has yet occurred of an iron bar, of rather more than half an inch square, or of a cylinder... | |
 | 1825 - 630 σελίδες
...heat is sufficient to make a metallic wire red hot, or to fuse or disperse it, if sufficiently thin ; but it scarcely raises the temperature of a bar of...when not conveyed by a good conductor, that buildings struck by it are frequently set on fire. No instance has yet occurred of an iron bar, of rather more... | |
 | Perry Fairfax Nursey - 1829 - 482 σελίδες
...made to protect ships by thin slips of copper nailed to their masts. The heat of the electric fluid scarcely raises the temperature of a bar of metal, on account of its large mass; and no instance has yet occurred of an iron bar, of rather more than half an inch square, or of a cylinder... | |
 | Thomas Curtis - 1829 - 834 σελίδες
...made, to protect ships, by thin slips of copper nailed to the masts. The heat of the electric fluid scarcely raises the temperature of a bar of metal, on account of its large mass ; and no instance has yet occurred of an iron bar, of rather more than half an inch square, or of a... | |
 | 1832 - 344 σελίδες
...the conductor from the rod. It is calculated by M. Charles, that each lightning-rod will effeetually protect a circular space, whose radius is twice the...its large mass. It is by the heat of the electric cur. rent, as well as by that disengaged from the air, condensed by the passage of the lightning through... | |
 | 1833 - 370 σελίδες
...three or four times the length of the conductor from the rod. It is calculated by M. Charles, that each lightning-rod will effectually protect a circular...when not conveyed by a good conductor, that buildings struck by it are frequently set on fire. No instance has yet occurred of an iron bar rather more than... | |
 | John Farrar - 1842 - 380 σελίδες
...accompanied by heat, the intensity of which depends on the velocity of the current. This heat is sulticient to make a wire red-hot, or to fuse or disperse it,...when not conveyed by a good conductor, that buildings struck by it are frequently set on fire. No instance has yet occurred of an iron bar, of rather more... | |
 | Joseph Louis Gay-Lussac - 1881 - 132 σελίδες
...sufficient to make a metallic wire red hot, or to fuse it, or even disperse it, if it be thin enough ; but it scarcely raises the temperature of a bar of...when not conveyed by a good conductor, that buildings struck by lightning are frequently set on fire. No example has yet occurred of an iron bar of rather... | |
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This heat is sufficient to make a wire red-hot, or to fuse or disperse it, if sufficiently slender; but it scarcely raises the temperature of a bar of metal, on account of its large mass. It is by the heat of the electric current, as well as by that disengaged... 