Light energy, its physics, physiological action and therapeutic applications (1904)
Cleaves, Margaret Abigail, 1848-1917 · New York, Rebman company;[etc., etc.] · leaf 804
fp ^J Fig. 50.—RadiumReceptacle for theStomach. … Fig. 51.—Radium Receptaclefor the CEsophagus and Rectum. num. Aluminum, on the other hand, limits the passage ofthe a rays. In this connection the reader is referred to Ruth-et fords table on a previous page as to the thickness of alumi-num transparent to the different rays. Again…
