Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 135
hydrogen gas in the other. The oxygengas will appear at the pole which is connected withthe platinum plate, while the hydrogen will appear atfliat which is connected with the zinc plate. Thusyou see that a voltaic battery has the power ofdecomposing water. It has also the power of de-composing very… … Y\:. 47. shaped like a horse-shoe ; now let us connect the twopoles of bur battery with the two extremities of thecopper wire which goes round the iron. If tire batteryg^ be now in action, it will be foundthat the iron has acquired the powerof attracting other iron towards it, sothat a plate of…
Physics
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