X rays, an introduction to the study of Röntgen rays (1914)
Kaye, G. W. C. (George William Clarkson), 1880-1941 · London : Longmans, Green · leaf 179
Fig. 76.—Radiograph of the shoulder. Siemens Brrnt. 156 X RAYS Photographic exposures naturally vary enormously withthe coil, break, and tube used. With a hammer break, a10-inch spark, and a tube in average condition, some 5 to … Fig. 77.—Microradiograph (magnified 17 diameters) of legs of a tiny lizard(Seps Tridaetylus). By Pierre Goby. 10 seconds is suitable for the hand ; 20 to 30 seconds forthe ankle ; and a minute or more for the thicker parts ofthe body. The latitude in X-ray photographic exposureis large, though it…
X-rays
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