INDEX. 



251 



Coal, Gruner's table, 77 



Heat of combustion (table), 198, 



209 



Johnson's tests, 75 

 Moisture in, 112, 114, 188 

 Morin and Tresca's tests, 75 

 Pure, 75 



Ratio of calories and fixed car- 

 bon, 77 



Ratio of hyd'gen and carbon, 78 

 Sampling, 112 

 Size for combustion, 24 

 Uniformity in same bed, 112 

 Weight of, in 

 Coal gas. See Gas, Coal 

 Coke analyses (table), 209 

 Calories of, 68 

 Composition of, 82 

 Heat of combustion (table), 230 

 Kinds of, 81 

 Use of, 82 



Colza oil, Calories of, 64 

 Combustion, Air necessary, 125 

 Air supplied, 139 

 Heat of. See Heat of Combus- 

 tion 



incomplete in F. and S. calorim- 

 eter, 23 



Constant pressure, 20, 45 

 " volume, 45 



" relation of, to 

 constant pressure, 45 

 Cooling, Newton's law, 60 



Regnault-Pfaundler's law, 18 

 Corrections for Berthelot calorim- 

 eter, 53 



Cooling, 18, 60 

 Junker calorimeter, 42 



DASYMETER, 146 



Differential gauge, Segur's, 145 



Dissociation, effect of, upon tem- 

 perature, 168 



Dulong's calorimeter, 20 



Dulong's formula, 7 



, Agreement of, with test, 9 



, Mahler's limit to, 10 (foot-note) 



heat unit, 21 



ECONOMETER, 148 

 Efficiency of steam-boilers, 191 

 Electric igniter, Heat of, 70 

 Evaluation in water. See Water 



Value 

 Evaporative effect of coal, 76 



, Factor for, 174 



power of fuel, 174 



Evaporative power of charcoal, 84 

 " gas, 93 

 " lignite, 79 

 " peat, 80 

 " wood, 86 



Evaporative power petroleum, 90 

 of natural gas, 107 

 unit, 180 



Examples, Berthelot's cal'meter, 54 

 Carpenter's calorimeter, 34 

 Favre and S. " 26 



Mahler's " 64 



FAN-WHEEL ANEMOMETER.I43 

 Favre and S.'s calorimeter, 21 

 Fischer's calorimeter, 29 

 Flame, 168 



Bunsen's researches, 168 

 length, 169 



not due to incandescence, 168 

 not due to solid particles, 168 

 Propagation of, 168 

 temperature, Calculation of, 169 



, Loss due to dissociation, 168 

 acetylene, 170 

 bor-methyl, 168 



carbon and carbonic oxide, 170 

 hydrogen, 169 



marsh and olefiant gases, 171 

 oils, 172 

 petroleum, 172 



producer and other gases, 171 

 solid fuels, 172 

 table, 200 



Fletcher's anemometer, 144 

 Flue-gas. See Waste Gases 

 Formula, Balling's, 8 

 Burnat's, 143 

 Dulong's, 7 

 German Engineers', 8 

 Hirn's, 146 

 Jacobus's, 143 

 Mahler's, 9 

 Quality of steam, 119 

 Regnault, for vaporization, 4 

 Regnault and Pfaundler's, 18 

 Schwackhofer's, 8 

 Superheated steam, 123 

 Throttling calorimeter, 122 

 Vaporization of water, 4 

 Waste gases, weight, 141, 143 

 Welter's, 10 

 Fuel, Air required for, 125; table, 



206 



Air supplied to, 139 

 Calorific power under steam- 

 boiler, 109 



