Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 108
ting, is to try andharden it by prolonged running with as large a coil as canbe got. Often it is beneficial to send this hardening dis-charge in the reverse direction, i.e. from cathode to anode,temporarily disconnecting the anticathode for the purpose.Care should be taken in carrying out this… … CHAPTER VII. THE BLACKENING OF AN X-RAY BULB. With continued use, an X-ray bulb becomes blackened onits inner surface. The blackening is mischievous from severalpoints of view. Firstly, the deposit not only tends greatlyto increase the resistance of the tube to the discharge, butaccelerates the…
X-rays
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