OF THE CONSTRUCTION OF CONDENSING ENGINES . 
184 
CONTENTS. 
SECTION I. 
AN ACCOUNT OF THE INVENTION AND PROGRESSIVE IMPROVEMENT OF THE 
STEAM ENGINE ....... 
SECTION II. 
OF THE NATURE AND PROPERTIES OF STEAM, ITS ELASTIC FORCE, EXPANSIVE 
FORCE, AND POWER OF MOTION ..... 
SECTION III. 
OF THE GENERATION AND CONDENSATION OF STEAM, AND THE APPARATUS 
FOR THOSE PURPOSES ...... 
SECTION IV. 
OF THE MECHANICAL POWER OF STEAM, AND THE NATURE, GENERAL PROPOR 
TIONS, AND CLASSIFICATION OF STEAM ENGINES 
SECTION V. 
OF THE CONSTRUCTION OF NONCONDENSING ENGINES 
SECTION VI. 
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