Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 596
of spongylead held together by a grid of lead with a small amount ofantimony added for hardness. The blocks are made by fusingtogether zinc chloride and lead chloride, after which they areplaced in a mold and the grid cast around them under pressure.Afterwards by an electro-chemical process all… … FIG. 413.-NINETEEN-PLATE CHLORIDE CELL WITH WOODEN TANK. made by rolling up a crimped lead ribbon in the form of a spiral,of a size to fit tightly in the holes. The plates are then treatedelectro-chemically in order to form the proper oxide from this ribbon.The positive and negative plates so…
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