The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 69
get, or that side facing 8 THE ROENTGEN RAYS IN MEDICINE AND SURGERY away from the patient. The X-rays from this radiant area are sent outof the field, exerting no injurious action on the definition, if the tube isin a suitable opaque box, as shown in Fig. 33. Dr. Rollins prefers touse these tubes… … Fig. 31. Illustrates the formation of the cathode stream and X-rays. (Rollins.)The cathode stream is represented by dotted lines, the X-rays by unbroken lines. When thecathode stream strikes the target, X-rays are given off in all directions from the point of contact, butonly one-half of the sphere…
Radiography · X-rays
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