Niaudet, Alfred, 1835-1883. [from old catalog], Fishback, L. M., [from old catalog] tr · New York, J. Wiley & sons · leaf 129
there was no porcelain porousjar, but simply the paper pulp. The general character-istics, however, have remained the same. The greatthickness of the porous jar suppresses almost completelythe diffusion of the sulphate of copper, and consequentlythe waste chemical action and the useless consumption… … Fig. 26.TABLETS BATTEET. Cromwell Varley suggested a means of completely sup-pressing the passing of the sulphate of copper through Ill the porous partition, a tiling which Siemens and Halskeonly slightly diminished and slackened. This means con-sists in the substitution of oxide of zinc for the…
Electric batteries
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