CONTENTS 



Page 



Preface vii 



Introduction 1 



Mechanical elements 2 



Animal power 4 



Power from the wind 7 



Water power 14 



The steam engine 24 



Rotary steam engines 55 



Steam-engine valves and valve gears 60 



Inventions of George H. Corliss 71 



Engine governors 80 



Condensers 86 



Engine indicators 89 



Miscellaneous steam-engine accessories 95 



Air and hydraulic engines 100 



Mechanical transmission of power 102 



Steam boilers 103 



Steam-boiler accessories and burners 119 



Boiler feed-water pumps and injectors 125 



Steam pumps 133 



Fire engines 139 



Miscellaneous pumps 142 



Internal-combustion engines 143 



Carburetors 165 



Internal-combustion engine accessories 173 



Caloric, or hot-air, engines 175 



Air-and-steam ("aerator") engines — 182 



Refrigerating machines 183 



Selected bibliography 186 



Index 191 



ni 



