The Popular recreator. A key to in-door and out-door amusements .. (1873)
London, New York [etc.] Cassell, Petter & Galpin · leaf 277
es of zinc(z z), the plates being preventedfrom contact by slips of wood,and the whole coupled togetherwith a binding screw. The platesb,re immersed in dilute sulphuricacid (Fig. 3). Wollastons Battery.—This ison a reverse principle to Smees,being composed of one zincplate between two plates… … The substances which have been named, and many others,are known to electrical science for their positive and negativeproperties, their relative positions with regard to each otherin that respect being well ascertained. The action of the dif-ferent acids upon each of themis also well understood, and…
Amusements · Games · Sports
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