o arranged in parallel to the tube as ameans of estimating its resistance. Another way of getting rid of the semi-phases of current whichare in the wrong direction, is the synchronously revolving commu- 6 82 THE RONTGEN RA YS IN MEDICAL WORK tator which has been devised by Koch. It consists of a… … Fig...49.—Details of Gaiffes Apparatus, showing the Disposition of theValve Tubes and Milliamperemeter (Medical Supply Association). the high-potential transformer, and conveys them to the circuit ofthe £-ray tube. The appearance of a tube operated from this deviceis sharp and clear, and the…
X-rays · Radiography
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