the negative pole of cars. The right portion comprises a square metal, bar, H, a source of electricity, iron will be eaten from the positive plate, and will form a solution of iron chloride, from which iron is again precipi- tated upon the negative plate. If parts of the positive plate be covered… … portion. The right portion is provided with a funnel- negative pole of a source of electricity and con- shaped orifice and an air-pipe (Fig. 1). stituting the cathode. The steel plate, A, is the form of the face or intermediate sections of the As shown in Fig. 2, the tube, B, carries a hollow…
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