John R. Allen 
Heat Engines [PDF ebook] 
Steam, Gas, Steam Turbines and Their Auxiliaries

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The authors desire to thank those members of the faculty of the mechanical engineering department of the University of Michigan who have assisted in the preparation of this text by their timely suggestions, and the manufacturers who have kindly supplied many of the new cuts used.