294
Test conditions _vs._ operating conditions 278
Testing, boiler, A. S. M. E. code for 267
Tests of Babcock & Wilcox boilers with bagasse 210
Coal 280
Oil 224
Theory of steam making 92
Thermo-electric pyrometers 90
Thermometer scale, celsius 79
Thermometer scale, centigrade 76
Fahrenheit 79
Reaumur 79
Thermometer scales, comparison of 80
Conversion of 80
Thermometer stem correction for 80
Thermometers, glass for 79
Throttling calorimeter 129
Total heat 86, 115
Treatment of boiler feed water (see Feed water) 102
Chemicals used in 105
Less usual reagents in 106
Tube data 309
Doors in Babcock & Wilcox boilers 53
Tubes in Babcock & Wilcox boilers 50
Ultimate analyses of coal 183
Analysis of fuels 173
Unaccounted losses in efficiency 261
Unconsumed carbon in ash 261
Units, boiler, number of 289
Size of 289
Units, British thermal 83
Unreliability of CO_{2} readings alone 162
Vacuum gauges 117
Properties of steam for 119
Valves used with superheated steam 312
Variation in properties of saturated steam 119
Superheat from boilers 145
Volume