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He took him into an inner office and showed his batteries, and explained that the peculiarity of his process consisted, not in any new general laws and facts of physiology which he had discovered, but entirely in peculiarities in his manner of applying his galvanic current, talking much about apodes, cathodes, catelectrotonus and anelectrotonus, resistance and rheostat, reactions, fluctuations, and other terms of galvano-therapeutics.
From the small refinery started by James Elkington at Pembury in South Wales, a vast industry has developed in which there has been a change in the size of operations and in the details of methods rather than in the fundamental process. For a solution of copper sulphate is employed as the electrolyte, blocks of raw copper as the anodes, and thin sheets of pure copper as the cathodes.
At one time a mechanical arrangement was made, by which the cathodes were kept in motion. The addition of a little borax to the bath is a great advantage in mitigating the appearance of gas. Its behavior is electrical rather than chemical. If the anode surface is too great, a few plates should be transferred to the cathode bars.
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