Publisher's Synopsis
Excerpt from The Manufacture of Carbide of Calcium
In both cases the carbons were of poor quality, their chief failing being excessive softness. Both sets show the characteristics of soft carbons, viz., the wearing away to a point at the lower ends and bad corrosion between the pairs of electrodes, the corrosion being most marked between the pair of carbons farthest removed from the busbars Which conduct the current from and to the transformers.
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