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 47
other appliances. 16 THE ROENTGEN RAYS IN MEDICINE AND SURGERY In the partition there are two plates of. glass, near the centre of eachof which is a small hole through which the wires pass from the staticmachine to the X-ray tube. Adjustable Spark-gap. — The spark-gap in series with the tube isthe… … Fig. 8. Adjustable multiple spark-gap. accomplished in part by means of a spark-gap. The spark-gap is alsoessential because it enables the practitioner to use tubes of lowerresistance than would otherwise be possible, and, as will be seen later,tubes of low resistance have certain advantages over…
Radiography · X-rays
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