Excerpt from A Treatise on the Richards Steam-Engine Indicator, With Directions for Its Use We do not claim for these Indicators superiority on engines running at high velocities only, though certainly it is there most apparent where others will not answer at all; but we believe also, for reasons herein explained, that they will be found in practice to be the only correct Indicators for eu gines running at any speed, even the lowest. 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.