Railway train lighting

The problem of train lighting is of general interest, aside fronm the specific interest which there is in following the details of systems by which the illumination may now be accomplished. It indicates the admirable adaptation of electricity through the incandescent lamp for contributing to the safety, the convenience and the luxury of travel. It presents most peculiar and exacting conditions with respect to the supplying of current wllich do not render our present sources of current readily applicable. Andl it further shows the inadequacy and the limitations of our present methods of transforming energy and the possibilities which await scientific investigation, discovery and invention in unexplored fields.