Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 126
results with this metal will now be described. Thesalt of nickel, with which the best results can be secured, is thedouble sulphate of nickel and ammonium. This salt is commonlyused by nickel platers, and there should be no difficulty in pro-curing it. Dealers in platers supplies also supply plates… … ii2 EASY ELECTRICAL EXPERIMENTS. quite hot in making up the solution, but should not be useduntil cold. A tablespoonful of ammonia should be added beforestarting to work the solution, and every now and then, whileworking, a small quantity of ammonia, say H teaspoonful-should be added. The articles…
Electric apparatus and appliances · Electricity
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