CONTENTS xxi CHAPTER PAGE IV. FRICTION or GASES FLOWING THROUGH BRICK FLUES OR MAINS. 168 V. MUFFLE FURNACE FOR TEMPERING AND ANNEALING STEEL AT THE PETROGRAD ARSENAL.................................. 171 VI. ARCH BRICK WORK......................................... 177 Miscellaneous Tables..................................... 183 Metric Conversion Table.................................. 189 Conversion of Metric Formulas............................ 192 VII. DESIGN OF OPEN-HEARTH FURNACES.......................... 194 VIII. DESIGN OF HOT-BLAST STOVES............................... 300 IX. STEAM BOILERS, COMBUSTION AND BOILER SETTINGS............ 320 X. HEAT CAPACITY AND CALORIFIC INTENSITY CURVES............. 348