. A treatise on electrolysis and its applications to therapeutical and surgical treatment in disease . romotiveforce is higher than that of the Daniell cell previously mentioned, butafter a very few minutes of continuous work, its force will diminish andgradually fade out; when at rest it soon will resume nearly its originalstrength, and ordinarily will last in circuits of high resistance as long asit is replenished with new /.inc. provided that its circuit is closed for a few 66 ELECTROLYSIS. moments at a time. Tn this form of cell the depolarizing agent, manganeseoxide, acts so slowly that t
. A treatise on electrolysis and its applications to therapeutical and surgical treatment in disease . romotiveforce is higher than that of the Daniell cell previously mentioned, butafter a very few minutes of continuous work, its force will diminish andgradually fade out; when at rest it soon will resume nearly its originalstrength, and ordinarily will last in circuits of high resistance as long asit is replenished with new /.inc. provided that its circuit is closed for a few 66 ELECTROLYSIS. moments at a time. Tn this form of cell the depolarizing agent, manganeseoxide, acts so slowly that the electro-chemical action with a closed circuitkeeps ahead of the depolarizing action contemplated by the inventor, thusrequiring a few moments for rest and depolarization. Of course, whenthis battery works through a circuit containing high resistance the circuitback to the battery is impeded, and consequently its electro-chemicalaction will be better maintained. M. M. Gaiffe and Clamond have also endeavored to obviate the dis-advantages presented by the Leelanche cell, and have placed within the. ^iv^- Fig. 8. hollowed carbon the manganese oxide, and by means of small holes pierced,the liquid is allowed to pass in and out of the carbon chamber to thisdepolarizing agent. Then instead of using chloride of ammonium (salammoniac) as the exciting solution, they use a neutral salt of chloride ofzinc, free from lead contamination. By this means they avoid the presenceof nitrogen, one of the components of the ammonium salt; and the forma-tion of ammonia gas, as in the original Leelanche cell, is substituted bythe more simple chemical salt of chloride of zinc ami its zinc chloride should form twenty per cent, of the solution and there-fore supersaturates the water. This modified form of Leelanche cell hasan electromotive force nearly equal to the original, but has a higher THE BATTERIES FOB ELECTROLYSIS. 07 resistance within the cell. This Eorm of battery arranged i
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