r-nately on contacts and on insulating material. Several modifi-cations of this interrupter exist. Thus, in some forms themercury jet is stationary, and the interruptions and contactsare made by a deeply-toothed cylinder of metal, which revolvesaround it. In others the jet itself revolves, and in… … Fig. 22.—Turbine Jet Interrupter (K. Sciiall) current to be used, and the duration of each period of closure canbe further controlled by the simple movement of a handle, whichdisplaces one of the armatures. The number of interruptions persecond is regulated by varying the speed of the motor.…
X-rays · Radiography
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