This book offers a practical perspective on the uses and applications of geometry in the modern world. Drawing on two lectures given to the Literary Society at Eton, Russell highlights the practical utility of geometry, demonstrating its relevance to diverse fields such as engineering, architecture, and more. Students of mathematics and practitioners in related fields will find much of value in Russell's insights. 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.