Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 102
riG. 45. -The discharge ia hardened by withdraw-ing the cathode from BtoA. … Fig. 46.—a Cossor bulb of lithium-glass with recessed cathode. (See Fit!. 45.) (d) By diminishing the clearance between the cathode andthe surrounding tube. It was pointed out on p. 31 thatif the space round the cathode is restricted, the dischargepasses with difficulty, so that if the cathode is…
X-rays
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