INDEX. 



255 



Thermometer, Sensibility of, 6 

 Thomsen's calorimeter, 30 

 Thompson's, L., calorimeter, 43 

 Thompson's, W.. 37 



Throttling calorimeter, 117 



UNIT OF EVAPORATION, 179 

 Units of heat, 3 



VAPORIZATION OF WATER, 4 



Vaporization of water (table), 205 

 Variation in coal gas, 95 



" natural gas, 105 



WALTHER-HEMPEL 

 Calorimeter, 74 

 Waste gas analysis, 190 

 Waste gases, Automatic apparatus 



for, 147 



, Bunte's results, 135 

 from charcoal, 84 

 " petroleum, 91 

 ' Ronchamp coal, 134 

 , Heat of, 160 

 , Hirn's apparatus, 145 



" formula, 146 

 , Schwackhofer's calorimeter, 37 



Waste gases (table), 134, 135 

 , Temperature of, 151 

 Volume of, 127 

 Water evaporated, 116 



, Heat of combination, 162 



, Heat of vaporization of, 4; 



table, 205 



, Hygroscopic, heat of, 162 

 in Lignite, 78 

 in peat, 80 



, Kroeker's correction for, 73 

 , Specific heat (table), 205 

 , Specific heat of, not considered, 3 

 -value of cal'meters, 14, 15, 30, 63 

 Water gas, 101 



, Heat of combustion of (table), 



245 et seq. 

 Theory, 102 

 Loss of heat, 104 

 Weight of carbon vapor, 173 

 fuel, in 

 waste gases, 141 

 Witz calorimeter, 47 

 Wood, Condition for burning, 87 

 Gottlieb's tests, 86 

 Calories (table), 86, 233 

 Hydrate of carbon, 84 

 Morin and Tresca's tests, 86 

 Wood charcoal. See Charcoal Wood. 



