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Excerpt from The Una-Flow Steam-Engine The harmful surfaces comprise the inner surfaces of the cylinder and'the inwardly exposed surfaces of piston, piston rod and steam distributing parts. Surfaces which are continually exposed even in the dead center position of the piston may be termed harmful surfaces of the first order, and those which are progressively uncovered by the piston during its motion, harmful surfaces of the second order. 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.

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9781330280324

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