The practical metal-worker's assistant : containing the arts of working all metals and alloys, forging of iron and steel, hardening and tempering, melting and mixing, casting and founding, works in sheet metal, the processes dependent on the ductility of the metals, soldering, and the most improved processes, and tools employed by metal-workers, with the application of the art of electro-metallurgy to manufacturing processes : collected from original sources, and from the works of Holtzapffel, Bergeron, Leupold, Plumier, Napier, and others ... (1851)
Byrne, Oliver · Philadelphia : H.C. Baird · leaf 399
herin a single point; provided that the plates were plunged into theliquid, and that the copper plate should be exactly opposite to a zincplate in the same cell, a space being between them. Hence, instead 394 BATTERIES. of soldering the zinc and copper together, it was enough to effect… … For this arrangement the wooden trough was divided, by plates ofglass or varnished wood, into as many cells as there were pairs ofzinc and copper. The cells being filled with the acid, or excitingsolution, the metals were then placed into them in such a mannerthat each pair of zinc and copper…
Metal-work · Electrometallurgy · Metallurgy
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