Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 74
ng a knobat its upper extremity.The lower end of thisrod may be brought intoelectrical connection withthe outer coat of a Ley-den jar. Enough etheror alcohol is poured intoa just to cover the knob.When the jar is dis-charged in the wayshown in the figure, thespark ignites the liquid.If alcohol is…
Electricity · Magnetism
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