Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 54
t is placedat the focal point and the tube excited by the powerfulinstruments at present in use. For this reason it is the rule to place the anti-cathodeso that it receives the bombardment a little beyond thefocal point where the stream is beginning to diverge.This adds enormously to the life of… … Fig. 10. Jackson Tube. 30 TEXT-BOOK OF RADIOLOGY. or waves. They are not influenced by a magnet, and theycannot be reflected or refracted by any ordinary means.They easily pass through opaque bodies so long as thesubstance is one of low atomic weight, while bodies ofhigh atomic weight such as most…