Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 435
rts of water). Inthis vessel is placed an amalgamated zinc C3dinder, Z,which is open at both ends and slit down one side. In thiscylinder is placed the porous cell, V, containing ordinarynitric acid. A plate, P, of platinum, which is bent in theform of an S, is fixed to the porous cell cover, and… … Chromic Acid or Carbon Battery. on the platinum decomposes the nitric acid, forming hypo-nitrous acid, which is dissolved or is disengaged as nitrousfumes. The resistance oi the Grove cell is about half ohm.Its electro-motive force is r956 volts. The action of thisbattery is constant. The chromic…
Physics · Lantern projection · Electric apparatus and appliances
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