Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 409
ewed at any time, asthey are only brazed on to the steel rods; when new ones areput on they are turned up in a lathe so as to be perfectly true.In order to take up the wear caused by the burning of thepoles during the working of the arc, the brass at d is madelong, so that it can be slipped forward… … Fig. 142. of which is crossed, in order to cause the poles to move inopposite directions. The pulleyat v is connected by a gutband to a Henrici hot-air motor or some similar small engine.The current is supplied by wires to two binding screws on thepillars a and b. In order to start the arc the…
Spectrum analysis
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