X CONTENTS. 



CHAPTER VI. 



PAGE 



MAHLER'S BOMB .................................................... 57 



Description. Working. Calculation. Examples ; Colza Oil, 

 Coal, Gas, Coke. Atwater's. Kroeker's. Walther-Hempel. 

 Witz's. 



CHAPTER VII. 



SOLID FUELS ................................... ..................... 75 



Coal. Lignite. Peat. Coke. Charcoal. Wood. 



CHAPTER VIII. 



LIQUID FUELS ....................... ............ ................... 88 



Shale Oils. Petroleum. 



CHAPTER IX. 



GASEOUS FUELS .................................................... 92 



Heat of Combustion from Analysis. Coal Gas. Gas of Gaso- 

 genes. Producer or Air Gas. Water and Mixed Gas. Natural 

 Gas. 



CHAPTER X. 



CALORIFIC POWER OF COAL BURNT UNDER A STEAM-BOILER .......... 109 



Distribution of Heat. Weight of Fuel. Sampling the Fuel. 

 Analysis of the Coal. Analysis of the Cinders. Duration of the 

 Test. The Water Evaporated. Temperature of the Steam. 

 Moisture of Steam. Corrections for Quality of Steam. Quality 

 of Superheated Steam. 



CHAPTER XL 



CALORIFIC POWER OF COAL BURNT UNDER A STEAM-BOILER CON- 

 TINUED. AIR SUPPLIED AND WASTE GASES ...................... 125 



Volume of Air Necessary to Combustion. Volume of Waste 

 gases by Analysis. Gas Sampler. Analysis of Gases. Calcula- 

 tion of Volume from Analysis. Calculation of Volume of Air 

 Supplied. Calculation of Weight of Waste Gases from Analysis. 

 Volume of Waste Gases by the Anemometer. Fletcher's Ane- 

 mometer. Segur's Differential Gauge. Hirn's Method. Dasym- 

 eter. Econometer. Gas Composimeter. Temperature of Waste 

 Gases. Pneumatic Pyrometer. Carbon in Smoke. 



