This classic text by Charles Proteus Steinmetz, a pioneering electrical engineer of the early 20th century, provides a comprehensive overview of the principles and practices of electric power transmission and distribution. Written for technical professionals in the electrical industry, the book covers topics such as electric power generation, transformers, transmission lines, insulators, and more. Steinmetz's insights into the workings of electrical systems and equipment remain foundational to the field today, and this book is a valuable resource for any engineer or student interested in the history and development of electric power. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.