Kaye, G. W. C. (George William Clarkson), 1880-1941 · London, New York [etc.] Longman's Green, and Co. · leaf 221
due to Sir J. Mackenzie Davidsonwas one of the first introduced. In practice, the points A and A are maintained at the3ame vertical distance from the plate {EF); the trianglesABA and LBL are then similar, and from simple geo-metrical considerations the height of the foreign body atB above the plate… … I. N M l_ M Fia. 95.—Localisation by X rays. X-RAY EQUIPMENT AND TECHNIQUE 193 the distance AA. The various methods which have beensuggested for carrying out the process of localisation aremerely devices for solving geometrically or analyticallythe above simple exercise in trigonometry. In some…
X-rays
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