Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 181
made use ofin the gas engine, although theuse of the electric spark is fastsuperseding all other methods.The present chapter deals withthe construction of a small electric bomb, which illustratesmany important principles. Take piece of ordinary iron pipe, 4 inches long and 1^inch in outside… … VS///S/////////SP77& EASY ELECTRICAL EXPERIMENTS. 167 inside of the pipe where the plug is to fit in, in order toensure a perfect fit. Through the plug insert two short pieces of stiff brasswire, about two inches in length, bending the inside endsof these pieces toward each other, so that there…
Electric apparatus and appliances · Electricity
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