Practical radiography : a handbook for physicians, surgeons, and other users of X-rays (1901)
Isenthal, A. W, Ward, H. Snowden (Henry Snowden), 1865-1911 · London : Published for The Photogram, Ltd. by Dawbarn and Ward, Ltd. · leaf 180
he plane of thescreen. When thebody or the limbunder examinationshows considerablethickness, so that the **«** k $ _*rings are at widely Flg /5 different distances from the screen, then it will not bepossible to ensure register in the shadows of the rings, butquite easy to secure the shadows being… … i56 Practical Radiography cathode with the foreign body and its screen shadow fortwo positions of the tube. By means of suitably placedsights and stops, one is enabled to bring the pointed rods(representing the X-rays) always back to their properplane, so that the latter andthe depth of the…
Radiography · X-rays
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