129
Radiation correction for coal calorimeter 187, 188
Correction for steam calorimeter 131
Effect of superheated steam on 140
From pipes 314
Losses in efficiency due to 307
Pyrometers 90
Ratio of air supplied to that required for combustion 157
Reagents, less usual in feed treatment 106
Records, plant, coal 293
Draft 294
Temperature 294
Water 293
Requirements of steam boilers 27
As indicated by evolution of Babcock & Wilcox 45
Rumsey's boiler 23
Safety of Babcock & Wilcox boilers 66
Salts responsible for scale 101
Solubility of 101
Sampling coal 271
Nozzles for steam 134
Nozzles for steam, location of 134
Steam 134
Steam, errors in 135
Saturated air 149
Saving by heating feed 110
With superheat in "Idalia" tests 143
With superheat in prime movers 140, 142
Scale (see Thermometers) 101
Sea water, composition of 97
Sections, Babcock & Wilcox boiler 50
Selection of boilers 277
Sensible heat 84
Separating steam calorimeter 132
Sizes of anthracite coal 190
Bituminous coal 191
Smoke, methods of eliminating 197