This book is a collection of scientific articles and papers by William Sturgeon, one of the most important scientific minds of the 19th century. Sturgeon is best known for his pioneering work in electromagnetism, and his research helped lay the groundwork for many of the technological advancements of the coming decades. Anyone interested in the history of science or technology will find this book both informative and engaging. 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.