 | Oliver Joseph Thatcher - 1907 - 482 pages
...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... | |
 | Oliver Joseph Thatcher - 1907 - 494 pages
...vivid spark is produced. If the action of the battery be very intense, a spark will be given by the short wire ; in this case it is only necessary to...a few minutes until the action partially subsides, and until no more sparks are given from the short wire ; if the long wire be now substituted a spark... | |
 | 1918 - 800 pages
...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 to depend in... | |
 | William S. Knickerbocker - 1927 - 410 pages
...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... | |
 | 1926 - 702 pages
...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." In a somewhat later paper... | |
 | Oliver J. Thatcher - 2004 - 456 pages
...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 E. Harmon, Alan G. Gross - 2007 - 353 pages
...feet long be used, instead of a 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... | |
 | 1832 - 954 pages
...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... | |
 | 780 pages
...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... | |
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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... 
