Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 282
ents is the most responsible for the cure, but thematter is one that has been put forward by those whoseopinion is entitled to respect, and the method haspossibilities. DOSAGE OF FILTERED RAYS. 207 To return to the use of filters in radio-therapeutics, itis obvious that the interposition of such… … Fig. 72. Scheme for production of secondary rays. P.—Primary rays from X-ray tube falling on metal plate M. set at angle of 45°. P. & S.—Mixture of primary and secondary rays. S.—Pure secondary rays. The heavy black lines represent thick lead screens impervious to rays. latter have passed…
