174
High pressure steam, advantages of use of 119
High temperature measurements, accuracy of 89
Horse power, boiler 265
Evaporation (actual) corresponding to 288
Rated boiler 265
Stacks for various, of boilers 250
Hydrogen in flue gases 156
Ice, specific heat of 99
"Idalia", tests with superheated steam on yacht 143
Impurities in boiler feed water 100
Incomplete combustion of carbon, loss due to 158
Injectors, efficiency of 112
Relative efficiency of, and pumps 112
Iron alum in feed water treatment 106
Kent, Wm., determination of heat value from analysis 183
Stack table 250
Kindling point 150
Latent heat 84, 115
Laying of fire brick 305
Red brick 305
Lignite, analyses of 181
Combustion of 195
Lime and soda treatment of boiler feed 102
Used in chemical treatment of feed 105
Lime treatment of boiler feed water 102
Liquid fuels and their combustion 212
Loads, economical boiler 283
Losses due to excess air 158
Due to unburned carbon 158
Due to unconsumed carbon in the ash 261
Losses in efficiency (see Heat balance).
In flue gases 158, 159
Low water in boilers 298
Melting points of metals 91
Mercurial pyrometers 89
Moisture in coal, determination of 176
In fuels, losses due to