his arrangement the aluminium cells are notcalled upon to resist the full back electromotive force of theimpulses in the wrong direction, for one or other of them is alwaysopen to the easy passage of current. Thus the wear and tear ofaluminium is reduced, and the heating of the cells is also… … Fig. 39.—Arrangement of Four Aluminium Cells, utilizcng bothSemi-phases of the Alternating Current (H. K. Lewis). K, K, Aluminium cells. The arrows show the direction from iron to aluminiumin each cell. in order to avoid overheating of the electrolyte, and the area of thealuminium must be kept…
X-rays · Radiography
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