Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)
Davis, Daniel · Boston : Palmer and Hall · leaf 79
purposes, a Smees battery, weaklycharged, is preferable. Fig. 34 represents an oddsand ends battery of this kind, connected with thesilvering apparatus, differing only from that describedin <§> 89 by being uncovered. It will be observedthat the positive pole, in the decomposing cell, isplaced… … same form with Groves battery, the porous cylindersonly being removed. The platinum plates are at-tached to little arches of wire, which enter smallholes in the zinc, into which they may be wedgedor from which they may be removed at pleasure.In the depositing cell, a daguerreotype plate, D, isseen…
