Excerpt from The Steam Engine Considered as a Thermodynamic Machine: A Treatise on the of Steam Engines; Illustrated by Diagrams, Tables, and Examples From Practice
The present volume originated in some rough notes on the thermodynamics of the steam engine, drawn up as long ago as 1871, for the use of students of engineering and others interested in steam engines. These notes, having proved useful, were expanded into a complete treatise published in December 1877, which was intended to serve as an introduction to applied thermodynamics, while at the same time an attempt was made to study, more completely than had hitherto been done, the process of the conversion of heat into work in steam engines.
This treatise having been for several years out of print, the Author has undertaken the preparation of a new edition with great reluctance, feeling that, considering the progress made since 1877, a now book rather than a new edition of an old one would be required to deal with the subject in a manner at all commensurate with its difficulty and importance. It seemed, however, on consideration, that the ground occupied and the method of treatment being in many respects different from those adopted by others, the book might with some changes and additions still prove useful, and this opinion would not have been altered if the Author had had the advantage of being able to consult the two able American treatises by Professors Peabody and Do Volson Wood, which appeared some time after the greater part of this volume was in type.
It is hoped that in many ways this edition will be found an improvement on the original work. In reprinting the first nine chapters considerable additions have been made in order to illustrate more fully the principles of thermodynamics. These additions arc described in the Appendix and need not here be further noticed.
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