This book is a practical guide to the use of water wheels for generating electrical power in mines and collieries. It describes the design and installation of self-governing water wheels, which were an important development in the history of hydropower. The book is a valuable resource for engineers and historians interested in the industrial revolution and the evolution of energy technology. 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.