Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 185
rough the X-ray bulb ;the second similarly excited the illumiaatiag spark. The arrangements were such that a horizontal beam ofX rays crossed the centre of the chamber ; the illuminatingspark flashed a pencil of light at right angles to the beamof X rays, and horizontally, or nearly so ; and the… … Illumin6>|-ing Spa^rK &&p Fig. 75.—Diagrammatic representation of C. T. R. Wilsons apparatus forphotographing the track of a beam of X rays in moist air. The order of events in an experiment was, therefore, (1)expansion producing supersaturation, (2) X-ray dischargeproducing ionisation…
X-rays
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