CONTENTS. 



PAKT I. 

 INTRODUCTION, ........ 9 



METHODS EMPLOYED IN CONDUCTING THE TESTS, . .13 

 EXPLANATION or THE TABLES or PAKT SECOND. .19 

 DISCUSSION OF EESULTS, . . . . . .21 



COMPARISON OF BOILERS WHICH PRODUCE SATURATED 



STEAM WITH THOSE PRODUCING SUPERHEATED STEAM, 22 

 GENERAL CONDITIONS WHICH SECURE ECONOMY, . .28 

 COMPARISON OF DIFFERENT KINDS OF BOILERS, . .36 

 COMPARISON OF DIFFERENT KINDS OF FUEL, . . .43 

 MISCELLANEOUS DISCUSSION, . . . . . .51 



FLUE HEATERS, ........ 56 



PART II. 



TESTS OF HORIZONTAL TUBULAR BOILERS. . . .67 



TESTS OF HORIZONTAL DOUBLE-DECK BOILERS, . .159 



TESTS OF PLAIN CYLINDER BOILERS, . . . .174 



TESTS OF VERTICAL TUBULAR BOILERS, . . .183 



TESTS OF CAST IRON SECTIONAL BOILERS, . . .211 



TESTS OF WATER-TUBE BOILERS, . . . . .217 



SUMMARY OF TESTS. . 234 



APPENDIX. 



A COAL CALORIMETER, .249 



A UNIVERSAL STEAM CALORIMETER, . . . .255 



(5) 



