A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 154
ed by Peltier, in which the di-rective force of a small magnet is substi-tuted for the torsion of a glass thread. One of the most delicate electroscopesis that of Bohnenberger. It consists ofa small Zambonis pile, a 5, Fig. 110, sup-ported horizontally beneath a glass shade,and from its… … 142 ZAMBONI S PILE. plates, £> m. One of these is therefore the positive, andthe other the negative pole of the pile. Between themthere hangs a gold leaf, d g, which is in metallic com-munication with the plate o n by means of the rod c.If the leaf hangs equally between the two plates, it…
Chemistry · Physics
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