The author and professor of applied physics, Dr. Ernst Hagen, describes in this volume from 1885 the electric lighting with particular emphasis on the systems predominantly used in central plants in the United States of North America. He presents the dynamo machines and their construction, electric incandescent lighting, Edison’s individual systems, electric arc lighting, and much more. Illustrated with 93 black-and-white images and 2 plates. Reprint of the original edition from 1885.