. Radiography, X-ray therapeutics and radium therapy . Pii 213.—Diagram to illustrate a method of circulating water to the anti- UimiUm givescathode of a tube. (Schall.)The tube is shown unprotected. This would not occur in actual practice. quite good re- sults, with hardly any reaction, and only slight delay in the epilation. So that even forthe most superficial conditions we may have to treat, a hard ray canbe employed and a filter used. The Coolidge tube promises to beof great value in therapeutics. With its ready adjustment of quality THERAPEUTIC TUBES 295 of ray emitted from the tube it s
. Radiography, X-ray therapeutics and radium therapy . Pii 213.—Diagram to illustrate a method of circulating water to the anti- UimiUm givescathode of a tube. (Schall.)The tube is shown unprotected. This would not occur in actual practice. quite good re- sults, with hardly any reaction, and only slight delay in the epilation. So that even forthe most superficial conditions we may have to treat, a hard ray canbe employed and a filter used. The Coolidge tube promises to beof great value in therapeutics. With its ready adjustment of quality THERAPEUTIC TUBES 295 of ray emitted from the tube it should be possible to select the properdegree of hardness at will, and arrange the tube to produce it for. Fig. 214. — Macalaster Wiggin X-ray tube. an unlimited time. The new tube makes the reproduction of preciselysimilar rays at a subsequent exposure possible. Many of the difficultiesat present existent in the control of X-ray tubes should disappear if this
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