 | American Philosophical Society - 1893 - 806 sider
...feet long be used (instead of the short wire) though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from its cup of mercury, a vivid spark is produced." " The effect appears somewhat increased by coiling the wire into a helix ; it seems also to depend... | |
 | Philosophical Society of Washington (Washington, D.C.) - 1874 - 640 sider
...feet long be used (instead of the short wire), though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from its cup of mercury, a vivid spark is produced. : . . The effect appears somewhat increased by coiling the wire into a helix: it seems also to depend... | |
 | 1880 - 552 sider
...feet long be used (instead of the short wire), though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from its cup of mercury, a vivid spark is produced. - - - The effect appears somewhat increased by coiling the wire into a helix : it seems also to depend... | |
 | 1881 - 856 sider
...feet long be used (instead of the short wire), though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from Its cup of mercury, a vivid spark is produced. - - - The effect appears somewhat increased by coiling the wire into a helix : it seems also to depend... | |
 | Smithsonian Institution - 1881 - 834 sider
...feet long be used (instead of the short wire), though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from its cup of mercury, a vivid spark is produced. - - - The effect appears somewhat increased by coiling the wire into a helix : it seems also to depend... | |
 | Smithsonian Institution - 1881 - 850 sider
...feet long be used (instead of the short wire), though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...from its cup of mercury, a vivid spark is produced. - - - The effect appears somewhat increased by coiling the wire into a helix: it seems also to depend... | |
 | 1881 - 826 sider
...(instead of the short wire), though no spark will be perceptible when the connection is made, uhcn it is broken by drawing one end of the wire from its cup of mercury, a vivid spark is produced. . . . The effect appears somewhat increased by coiling the wire into a helix: it Bcems also to depend... | |
 | Joseph Henry - 1886 - 552 sider
...feet long be used instead of the short wire, though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...battery be very intense, a spark will be given by the short wire ; in this case it is only necessary to wait a few minutes until the action partially... | |
 | Smithsonian Institution - 1887 - 1124 sider
...feet long be used instead of the short wire, though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...battery be very intense, a spark will be given by the short wire ; in this case it is only necessary to wait a few minutes until the action partially... | |
 | Joseph Henry, Michael Faraday - 1900 - 140 sider
...feet long be used instead of the short wire, though no spark will be perceptible when the connection is made, yet when it is broken by drawing one end...a few minutes until the action partially subsides, and until no more sparks are given from the wire; if the long wire be now substituted a spark will... | |
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... terminated by cups of mercury, are connected by a copper wire not more than a foot in length, no spark is perceived when the connection is either formed or broken ; but if a wire thirty or forty feet long be used instead of the short wire, though... 
