Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 103
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… … a tube in which the cathode is so inclosed the curvature ofthe cathode need only be very slight. A tube with a mov-able cathode employing this principle was described byCampbell-Swinton in 1897 (Electrician) ; the tube is in theRontgen Societys collection of X-ray tubes in the SouthKensington…
X-rays
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