Trebel, George. (from old catalog) · New York, F. Tousey · leaf 23
per and a strip of sheet zinc,each about six inches long and two inches wide; take alsoa tumbler two-thirds full of water, and to it add about twotablespoonfuls of sulphuric acid. (See fig. 4.) Place the zincand copper strips in the glass, and allow the exposed ends totouch; instantly bubbles of… … Withdraw the zinc from rthe liquid, and while it is yet wetrub a little mercury over its surface, so that it may becomecompletely wet with the liquid metal. Now repeat the aboveexperiment. First, it is found that the Zinc, when alone inthe liquid, is not affected by it, and no bubbles of gas…
Electricity
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