Niaudet, Alfred, 1835-1883. [from old catalog], Fishback, L. M., [from old catalog] tr · New York, J. Wiley & sons · leaf 160
pores so that no liquid may rise by capillarity and at-tack the lead or copper. BATTERIES DERIVED FROM THE DANIELL. 141 The chemical action in this battery is precisely analo-gous to that in the Daniell. The sulphate of mercury isreduced, an equivalent quantity of sulphate of zinc isformed, the… … Fig. 34 (S03llg20) is generally used; consequently two equiva-lents of mercury are set free for one of zinc dissolved. But there are other sulphates that may also be em-ploye^. The sulphate of protoxide (HgO,SO,) is frequentlyused for medical purposes. This salt presents a singularpeculiarity:…
Electric batteries
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