Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 86
ELECTRIC BATTERIES. 63 ride, so that the zinc is eventually destroyed, and a newone required ; but pure carbon, like that employed in theLaw cell, is not affected by the chemical action, andhence this electrode does not require renewal, but shouldoccasionally be soaked in warm water to remove… … -- Fig. 20. followed in the construction of the cell just described.Instead of a small zinc rod inclosed within a largecarbon cylinder, either single or double, it has a cylinderof sheet zinc inclosing a porous carbon cylinder of largecross-section, having a channeled surface, as shown inFig. 21;…
Electricity
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