CHAPTER II. 



LATENT HEAT. 

 Definition, Energy, British Thermal Unit 87 



CHAPTER III. 



COMBUSTION OF COAL. 



Chemical Combustion, Distillation, Fuel Values, 

 Evaporative Power, Heat Conducting Power 91 



CHAPTER IV. 



PROPERTIES OF STEAM. 95 



CHAPTER V. 



SATURATED STEAM AND ITS PROPERTIES. 



Heat of Liquid, Latent Heat, Total Heat, Spe- 

 cific Volume, Density, Steam Tables 96 



CHAPTER VI. 



THE BOILER. 



Locomotive, Return Flue, Vertical 103 



CHAPTER VII. 



BOILER FEEDERS. 



Atmospheric Pressure, Pumps, Injectors 106 



CHAPTER VIII. 



BOILER PARTS. 



Fusible Plug, Grate, Safety Valve, Steam Gauge 1 1 1 

 CHAPTER IX. 



CARE OF THE BOILER. 



Examination, Steaming Up, Cleanliness, Foam- 

 ing 114 



CHAPTER X. 



FIRING. 

 Regularity, Fire Depth, Ash Pit 1 18 



