Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 228
dal drop and its supporting surface.From a silver basin, b (fig. 63), intended to hold the drop,a wire, w, is carried to a galvanometer, the other end ofthe galvanometer wire being attached to a small battery, a.From the opposite pole of this battery a wire, w, is carriedto the movable arm, a b, of… … spheroid : you see no motion of the galvanometer needle;still, the only gap in the entire circuit is that now existingunderneath the drop. If the drop were in contact, thecurrent would pass. This is proved by withdrawing thelamp ; the spheroidal state will soon end ; the liquid willtouch the…
Heat
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