Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 199
ionof copper, which should be maintained in a saturatedstate by the addition of crystals of the salt. A poroustube, 5, holds a rod of amalgamated zinc, to the topof which a binding-screw is soldered. The coppermould or medal, c^ is suspended in the solution by awire, which is held tight by the… … Yoltaic action immediatelycommences, and the copperwill continue to be depositedfrom the solution as long asthe supply of fresh crystalsof sulphate of copper is con-tinued. In about twenty-fourhours the coating of copperwill be as thick as a thincard, and it may be then re-moved. When detached…
Inventions
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