The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 80
,and this constitutes the positive element. A ball of zinc at the end STANDARD ELECTRICAL DICTIONARY. 75 of an insulated copper wire affords the connection with the zinc and mercury. Its great advantage is that the smallest scraps ofline can be used in it, by being dropped into the mercury.…
Electricity
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