Niaudet, Alfred, 1835-1883. [from old catalog], Fishback, L. M., [from old catalog] tr · New York, J. Wiley & sons · leaf 74
the bubblesof hydrogen free themselves much more easily than fromthe polished surface of a metal. For reasons of economy Smee placed the platinumplate between the two plates of zinc. It is in form areversed Wollaston battery. Smees battery is charged with a solution containingone part of acid to… … Fig. 19. had even been used, which produces a much cheapercell: Upon a plate of copper is deposited a grainy layer ofcopper, then a layer of silver, and finally a layer of plati- num dust. The rough surface thus given to the silver facilitates the deposit of platinum, which is very difficultupon…
Electric batteries
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