CONTENTS. XI 



CHAPTER XII. 



PAGE 



CALORIFIC POWER OF COAL BURNT UNDER A STEAM-BOILER CON- 

 TINUED. CALCULATION OF THE HEAT UNITS 159 



Heat of Aqueous Vapor. Heat of Waste Gases. Heat of the 

 Temperature. Heat of the Hygroscopic and Combustion Water. 

 Calories of the Combustible Gases. Calories due to Soot. Dis- 

 tribution of Calories Loss. 



FLAME AND FLAME TEMPERATURES 168 



WEIGHT AND HEAT UNITS OF CARBON VAPOR 173 



EVAPORATIVE POWER OF FUEL 174 



APPENDIX. 



REPORT OF THE COMMITTEE ON THE REVISION OF THE SOCIETY CODE 

 OF 1885, RELATIVE TO A STANDARD METHOD OF CONDUCTING STEAM- 

 BOILER TRIALS 177 



Report of Committee. Rules for Conducting Trial. Form for 

 Report. 



TABLES 198 



FUEL TABLES 209 



INDEX 249 



