Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 199
Fig. Hi. i8o Electricity. [Book III. sulphate is carefully poured a solution of zinc sulphate ordilute acid, which, being specifically lighter, rests upon itwithout mixing. In contact with this is suspended a zincplate. Menottis battery differs from this only in placing alayer of sawdust or sand… … Fig. 115. zinc plate immersed in dilute acid, and the porous vessel con-tains a sheet of platinum immersed in strong nitric acid.In this the hydrogen set free by the corrosion of the zincattacks the nitric acid, reducing it to water and one ormore compounds of nitrogen and oxygen, which are…
Electricity
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