Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 212
ad directly. In taking a reading, the gap is reduced until a spark justpasses while the tube is running. The length of gap is X-RAY EQUIPMENT AND TECHNIQUE 183 then noted, and reference to a table such as that on p. 101enables the voltage on the tube to be determined. Greateraccuracy can be… … Fiu. 00.—QLhtliiiieter <A BauL-r type. (8ee p. ]09.) the point and point, or point and plane are more generallyused, the longer distance being easier to measure. Hardness comjoarisGns should be made for specifiedcurrents through the tube, and it must be again pointedout that the equivalent…
X-rays
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