Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 119
same kindrepel, while electricities of opposite kinds attract eachother, but we have still to learn what will happen inthe following case. Let a (fig. 40), be a large ballof hollow brass, and let the tube to the left hand ofit be also of brass; also let these stand upon a glasssupport, so that any… … Fig. 40. you see the line in the figure ; and let both b and cstand upon glass supports, so that any electricity whicheither of them has, may not be able to get away. Let us begin by supposing that a has received acharge of positive electricity, and that in the mean-time B and c are unelectrified.…
Physics
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