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 419
er and these pointed pieces are folded back. 400 THE ROENTGEN RAYS IN MEDICINE AND SURGERY Mask. — For the face I use a mask, made of gauze and pressed intothe shape of a face, such as may be purchased at theatrical supplystores. This mask of course does not obstruct the rays. I cover itwith… … Fig. 2i8 shows the method of treating areas of lupus, or cancer of the face, with the patient seated-in front of the tube. The box containing the vacuum tube is seen on the left. On the front of the boxis a diaphragm of sheet lead, and outside of it is a thin sheet of aluminum in which there is no…
Radiography · X-rays
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