X rays, an introduction to the study of Röntgen rays (1914)
Kaye, G. W. C. (George William Clarkson), 1880-1941 · London : Longmans, Green · leaf 98
s of a pneumatic piston thedisc can be laid bare for a momentby pushing the mercury away (page80). Interior of Bulb To harden an X-ray Bulb. If by any mischance a bulb be-comes too soft for use, the only thingpossible, apart from drastic re-exhausting, is to try andharden it by prolonged running… … Fig. 48.—The Bauer valvelor admitting air into an X-raybulb. The filter is of gold leafto absorb mercury vapour. 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 sever;11points of view. Firstly,…
X-rays
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