975. Sulphate of soda in solution was then experimented with, for the purpose of ascertaining with respect to it, whether a certain electrolytic intensity was also required for its decomposition in this state, in analogy with the result established with regard to water (974). The apparatus was arranged as in fig.
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478. What may be considered as the general facts of electrochemical decomposition are agreed to by nearly all who have written on the subject. They consist in the separation of the decomposable substance acted upon into its proximate or sometimes ultimate principles, whenever both poles of the pile are in contact with that substance in a proper condition; in the evolution of these principles at distant points, i.e.
1467. The effect varies exceedingly under different circumstances, but, as we must set out from some position, may perhaps be stated thus: if a metallic wire with a rounded termination in free air be used to produce the brushy discharge, then the brushes obtained when the wire is charged negatively are very poor and small, by comparison with those produced when the charge is positive. Or if a large metal ball connected with the electrical machine be charged _positively_, and a fine uninsulated point be gradually brought towards it, a star appears on the point when at a considerable distance, which, though it becomes brighter, does not change its form of a star until it is close up to the ball: whereas, if the ball be charged negatively, the point at a considerable distance has a star on it as before; but when brought nearer, (in my case to the distance of 1-1/2 inch,) a brush formed on it, extending to the negative ball; and when still ddsf504 nearer, (at 1/8 of an inch distance,) the brush ceased, and bright sparks passed.
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The interval was a time of social dissolution and reconstruction; and when the traces of the free criticism of religion reappear, the world in which they manifest themselves is new. Fresh races have been introduced, institutions unknown to the ancient civilization have been mingled with or have replaced the old; and the ancient language of the Roman empire has dissolved into the Romance tongues. But Christianity has lived through the deluge, and been the ark of refuge in the storm; and its claims are now tested by the young world which emerged into being when the waters of confusion had retired.