Trebel, George. [from old catalog] · New York, F. Tousey · leaf 32
e platinumstrips; soon the liquid around the — pole is turned green,while that around the f pole is turned red. Evidently de- USE ELECTRICITY. 25 composition of the sodium sulphate has taken place; anacid and an alkali are the results. This is called electrolysis. Prepare a solution of ccpper… … minals ; copper is now deposited on the — pole as before, butthe t pole wastes away. Although we can obtain a strong current and performmany neat experiments with a battery, still electricity would 26 HOW TO MAKE AND be of little value practically, were it not for the fact that it canbe converted…
Electricity
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