Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 190
, by pressing downsuch a tube tightly into the abdomen. The greater the distance of the bulb from the fluorescentscreen or photographic plate, the more correct the picture ;in practice the distance is usually from 12 to 24 inches.The spark-gap should not exceed 10 to 12 inches. Withlonger…
X-rays
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