An equally momentous change manifests itself in the atti tude being taken by engineers, superintendents and mechanics toward the prevention of accidents. The fact that the cases studied by Miss Eastman fell in a period before recent develop ments in this direction makes them more truly a reflection of the unregulated industrial practice with which the American public has to deal. At the same time, in Mr. Beyer's articleql we are able to present, as an illustration of methods of advance, the work of prevention extensively developed by the United States Steel Cor poration under a central committee appointed in May, 1908.