Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Electrical energy is now in nearly universal demand. The amount of this commodity that is made use of in any section of country varies within wide limits. For its common usages in power and lighting this variation is nearly directly with the population, though there is a constantly incre asing demand for it in railway work outside of centers of population. With the increased price.