nd carrying Ij co-podium powder, a similar jet will be produced; but if A isthen insulated, the jet disappears, and is renewed only whenthe communication with the earth is restored, by which theelectricity of the same kind as that in B is carried off. If acylindrical, not charged, and not insulated… … but is chiefly used to make lampblack. Probably the tim®is coming when this oil will be used for fuel in steam boil erand allied furnaces. By a slight change in the order of collecting the productsof distillation, a green oilmay be obtained after the dead oil.This is used principally as a lubricant…
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