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 64
rding to the kind of tube employed. A. Double Focus Tubes. — These tubes are used on an alternat-ing current and contain three pieces of metal — the two terminals,called respectively the cathode and the anode, and the third the anti-cathode, or target. See Figs. 32-35. B. Sinjrle Foms Tubes. —… … FIG. 23. Combination of storage battery and gravity cells. The tube holder is seen in positionwith one side removed so that the tube is visible. In front of tube is a circular diaphragm wi han aluminum wire screen in its centre. The case is filled with storage batteries and gravity cells,some of…
Radiography · X-rays
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