Read Online Henry and Hora's Modern Electricity: A Practical Working Encyclopedia; A Manual of Theories, Principles and Applications (Classic Reprint) - James Henry file in PDF Online

Excerpt from Henry and Hora's Modern Electricity: A Practical Working Encyclopedia; A Manual of Theories, Principles and ApplicationsLess than a century ago, this mysterious force was practically unknown. At present there is scarcely a country or a town Of any size where it is not utilized in some form, and yet its possibilities are still but dreams. The next