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Excerpt from Questions on Subjects Connected With the Marine Steam-Engine, and Examination Papers: With Hints for Their Solution Hence, in most cases, with condensing engines the descend ing stroke is more effective than the ascending stroke, which is the converse of what would at first sight be supposed. 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.