Excerpt from The Journal of Radiology, Vol. 3: April, 1922 Another method to raise the effect in the deeper parts is the employment of a superposed material which posses ses the same qualities of absorption and scattering as living tissue. Such materials are wax, paraffin or bags filled with water. By their use the drop of intensity towards the interior is retarded and the improvement of the dose in the deeper parts is increased, as is shown in the drawing, Fig. Ll. 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.