d will notablyimprove the working of the tube, and will permit measurement ofcurrent to be made by means of a direct current milliamperemeterwith a close approach to accuracy. An ordinary medical milliamperemeter of the DArsonval patternserves very well for use in the tube circuit. Slight… … Fig. 9.—Valve Tube of Villard with Osmo-Kegulator (Medical Supply Associa-tion). 22 THE RONTGEiV RAYS IN MEDICAL WORK milliamperemeter, which will be seen represented in Fig. 49. Mr.Schall supplies a very convenient instrument which can be attachedto the support of the tube-stand (Fig. 10), and is…
X-rays · Radiography
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