Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 133
hydrogen gas in the other. The oxygengas will appear at the pole which is connected withthe platinum plate, while the hydrogen will appear atthat 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… … shaped like a horse-shoe ; now let us connect the twoproles of our battery with the two extremities of thecopper wire which goes round the iron. If the batterybe now in action, it will be foundthat the iron has acquired the powerof attracting other iron towai-ds it, sothat a plate of iron will be…
Physics
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