 ... increased, and the undulations were feebler. At a smaller distance the surface of the mercury became plane ; and rotation slowly began round the wire. As the magnet approached, the rotation became more rapid, and •when it was about half an inch...  Annals of Philosophy - Page 241824Full view - About this book
 | 1824 - 452 pages
...magnet at a considerable distance above one of the coned, its apex was diminished and its base extended. At a smaller distance, the surface of the mercury...vortex which reached almost to the surface of the wire. The President thinks that these phenomena are not produced by any changes of temperature, or by common... | |
 | Thomas Campbell, Samuel Carter Hall, Edward Bulwer Lytton Baron Lytton, Theodore Edward Hook, Thomas Hood, William Harrison Ainsworth, William Ainsworth - 1824 - 598 pages
...at a considerable distance above one of the cones, it» apex was diminished and its base extended. At a smaller distance, the surface of the mercury...vortex which reached almost to the surface of the wire. Sir HD thinks that these ;phénomène are not y»od«»d,„by .ðîä «eights, measures, . find ropnies... | |
 | Ralph Griffiths, George Edward Griffiths - 1824 - 570 pages
...rotation slowly began round the wire. As the magnet approached, the rotation became more rapid, and wh«» it was about half an inch above the mercury, a great...fountains of mercury were about the tenth or twelfth of anmch high, and the vortices apparently as low; but in the experiments made at the London Institution,... | |
 | 1824 - 696 pages
...feebler. At a smaller distance, the surface of the mercury became plane ; and the rotation began slowly round the wire. As the magnet approached, the rotation...which reached almost to the surface of the wire." It was proved that there was no particular communication of heat to the part immediately above the... | |
 | Thomas Curtis - 1829 - 834 pages
...it was about half an inch above the mercury, a great depression of it was observed above the wir«, and a vortex, which reached almost to the surface of the wire. 399. ' In the first experiment which I made, the conical elevations or fountains of mercury were about... | |
 | John Davy - 1836 - 436 pages
...was diminished, and its base extended ; by lowering the pole further these effects were still farther increased, and the undulations were feebler. At a...which reached almost to the surface of the wire." For farther particulars of this very remarkable phenomenon, and how he investigated it, I must refer... | |
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