Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 69
nstantly ceases, but the zinc w^astes away as before. Exp. 4 : Remove the zinc strip from the liquid, and while it isstill wet with the acid rub over its surface a little mercury. Uponbeing replaced in the solution the acid does not attack it. EepeatExp. 3 with this amalgamated zinc (see ^ 76), and… … VOLTAIC ELEOTRICITY. 51 Exp. 5 : Ccnnect wires of an} metal to the copper and zinc plates,being sure that you have bright metallic contacts. Bring the f^x-tremities of these two wires together after they have been brightenedand hydrogen gas is seen to rise from the copper plate as before,…
Electricity · Magnetism
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