Excerpt from Radium Therapy in Cancer at the Memorial Hospital, New York: First Report: 1915-1916 In our experience the use of radium emanation has greatly increased the efficiency of radium therapy as compared to the use of the metal itself. For a satisfactory understanding of these advantages as well as the principles of application and filtration an acquaintance with the physics of radium is indispensable. It has therefore been deemed advisable to include in this report an introduction explaining in detail the physical considerations relative to the therapeutic application of radium. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.