X rays, an introduction to the study of Röntgen rays (1914)
Kaye, G. W. C. (George William Clarkson), 1880-1941 · London : Longmans, Green · leaf 65
Fig. 21.—A Siemens bulb, showing massive anticathode and osmosissoftening device. surface by water or a stream of air (Fig. 20). In somemakes of tube, no attempt at cooling is made, the anti-cathode being designed for continuous use at a red heat.With other designs of target, the temperature is… … Fig. ■!■!.■—A Cossor bulb with automatic softening device and fin radiatorfor cooling anticathode. outside of the tube, and is there provided with fin radiators(Fig. 22). Muller has recently introduced a method of
X-rays
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