This book is a classic commentary on the work of Heinrich Hertz and his impact on the field of electromagnetism. Oliver Lodge, a physicist and contemporary of Hertz, provides detailed analysis of Hertz's experimental work and theoretical insights, as well as the work of his successors. This book is essential reading for anyone interested in the history of electromagnetism and the foundational work of one of its greatest pioneers.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.