First published in 1912, this classic text provides a detailed introduction to the principles of gas engine design. Moss covers topics such as combustion, fuel economy, and engine performance, and includes numerous illustrations and diagrams. This book is a must-read for mechanical engineers, students of engineering, and anyone interested in the history and design of internal combustion engines.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.