Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 69
ysof X rays by Sir James Mackenzie Davidson, while excellentas an anticathode, is very scarce and expensive. Rhodiumwould seem to have much to recommend it as a materialfor anticathodes ; it has a high atomic weight and lowvolatility. Bragg has moreover shown that the rhodiumradiation from a soft… … Fig. 19.—Photomicrograph of a platinised nickel anticathode fused by adisctiarge. thin platinum sheet (about -^^-^ mm. thick). The high priceof platinum was responsible for the introduction (in 1897)of these composite anticathodes of which nowadays largenumbers are turned out. There is no objection…
X-rays
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