Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
galvanic electricity, are the decomposition of bodies traversedby it, and the transportation of their elements. Decomposition bymeans of electricity is one of the most valuable modern discoveries,yielding some of tlie richest gifts which abstract science ever bestowedupon the practical arts of… … The battery shown in the figure differs from the carbon battery.Fig. 37 (739), by having a cylinder of zinc substituted for the carbon,and a cylinder of copper in place of the zinc. The outer vessel is ofglass, and is filled with a solution of copper (blue vitriol), which is ELECTRICITY. 393 kept…
Physics · Astronomy
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