Excerpt from The Steam-Engine and Other Heat-Engines I N the Second Edition the book has been revised throughout, and a considerable amount of new matter has been added. In particular the section relating to gas-engines has been ex several of the other additions and emendations I am indebted to my friends and former assistants. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.