Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 103
firmlyheld in place. A number of these plates are then placed in a tankcontaining a solution of zinc chloride, in contact with Fig. 38. ELECTRIC BATTERIES. 87 solid plates of zinc, which alternate with them, wherethey remain forty-eight hours. This combination is vir-tually a primary battery, the… … Fig. 39. ture of pure lead, supported by the solid lead-frame.The pores in the pastilles are at right angles to the sur-face of the plate, and can easily be seen by a magnifyingglass; a few of them being roughly represented by thesmall holes surrounding the central hole. A connectinglug of lead is…
Electricity
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