Excerpt from Radium, Vol. 11: A Monthly Journal Devoted to the Chemistry, Physics and Therapeutics of Radium and Radio-Active Substances; July, 1918 The strength of all the apparatus used in the treatment of cases is expressed in terms of hydrated radium bromide, a salt the radium element content of which is per cent. No description of apparatus and technique is given this year, as information on these points can be obtained by reference to the reports published in 1913, 1914, and 1915. 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.