Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 57
to deal with it as fullyas the limits of a work of this size will allow. We have already seen that the design of the modernX-ray tube, however much it may have been modified indetail since, is really due to Prof. Herbert Jackson, ofKings College, London. The original tubes, one ofwhich is here… … ■ ■■■■■■., Fig. 11. Original Focus Tube. disc—the anode or anti-cathode, which is inclined at anangle of about 45°, and so mounted that it is slightlybeyond the focal point of the cathode. This mounting ofthe anode just beyond the focal point is not so difficult asit might at first appear. The…
