Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 425
depositiontoo rapid^ the deposited metal is grayish and crystalline. In silvering or gilding objects of iron it is usual firstto plate them with a thin caatrnjj of copper. In gilding CHAP. XI.] ELECTRICITY AND MAGNETISM. 399 base metals, such as pewter, they are usually firstcopper-coated. The… … Fig. 159- Instead of a battery.a thermo-electric generator (Art.384), or a dynamo-electric generator (Art. 408), is nowfrequently employed. 422. Metallo-chromy.—In 1826 Nobili discovered that whena solution of lead is electrolysed a film of peroxide of lead formsupon the anode. If this be a sheet…
Electricity · Magnetism
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