Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 101
Fig. i86. Fig. 187. 395 The Gravity Cell.—This is a modificationof the Daniells cell, no porous cup being used. The cop-per plate is placed at the bottom of the cell and the zincplate near the top. Crystals of copper sulphate are piledupon the copper plate and covered with a saturated solu-tion of…
Electricity · Magnetism
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