The Relative Proportions of the Steam-Engine

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Excerpt from The Relative Proportions of the Steam-Engine: A Course of Lectures on the Steam-Engine, Delivered to the Students of Dynamical Engineering in the University of Pennsylvania It is a source of regret to the author of these Lectures that none of the distinguished writers upon Mechanics or the Steam-engine have undertaken to give, in a simple and practical form, rules and formulas for the determination of the relative proportions of the component parts of the steam-engine. The authors of the few. works as yet published in the English language either entirely ignore the proportions of the steam-engine or content themselves with scanty and general rules - Rankine excepted, who in the attempt to be brief is sometimes obscure, leaving many gaps in the immense field which he has attempted to cover. This deficiency in the literature of the steam-engine is remarkable, because the problem which the mechanical engineer is most frequently called upon to solve is the determination of the dimensions of its various parts. From time to time hand-books of the steam-engine have been published giving practical (?) rules, the result of observation of successful construction, and with these rules the practising engineer, who has little time for original investigation, has had to content himself. 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.