Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 100
one phase of the discharge from the coil.Millers neat mica-disc valve should also be noticed. This■consists of a perforated disc of mica carried by an insulatedrod on the shaft of the motor driAring the interrupter androtating with it. The disc is located in the high-tensioncircuit and is so… … FIQ. 44.—A multiple valve-tube. CI-IAPTER VI. THE HARDNESS OF AN XRAY BULB- Factors controlling the Hardness of an X-ray Bulb. The hardness of the X rays produced by a bulb is solelydependent on the potential difference between the electrodesof the bulb. There are a number of ways of controlling…
X-rays
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