Bullivant, Cecil Henry · New York, Dodge publishing company · leaf 302
mer gas coming off in bubbles at the wire which leads from the battery tins, and the oxygen round the other conductor (Fig. 22). The hydrogen bubbles may perhaps be ignited as they are evolved by holding a lighted match just near the water's surface; or another method is to seal the wires into… … Fig. 23. — The hydrogen bubbles may Fig. 24. — Electro-plating in its infancy, be ignited by holding a match near the free end of the hydrogen tube. of all air from the tube, because hydrogen and air in certain proportions form a very explosive mixture. Experiment 11. — Repeat the foregoing…
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