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Excerpt from Modified Specifications for Triple Expansion Twin-Screw Propelling Machinery: Cruiser of Tons Displacement and 19 Knots Speed There will be two piston-valves for each high-pressure cylinder, two for each intermediate cylinder, and two double ported slide-valves for each low-pressure cylinder. 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.