Nature of calcium carbide Storage of calcium carbide Fire risks of acetylene lighting Purchase of carbide Quality and sizes of carbide Treated and scented carbide Reaction between carbide and water chemical nature heat evolved difference between heat and temperature amount of heat evolved effect of heat on process of generation Reaction: effects of heat effect of heat on the chemical reaction effects of heat on the acetylene effects of heat on the carbide Colour of spent carbide Maximum attainable temperatures Soft solder in generators Reactions at low temperatures Reactions at high temperatures Pressure in generators CHAPTER III THE GENERAL PRINCIPLES OF ACETYLENE GENERATION ACETYLENE GENERATING APPARATUS Automatic and non-automatic generators Control of the chemical reaction Non-automatic carbide-to-water generators Non-automatic water-to-carbide generators Automatic devices Displacement gasholders Action of water-to-carbide generators Action of carbide-to-water generators Use of oil in generator Rising gasholder Deterioration of acetylene on storage Freezing and its avoidance Corrosion in apparatus Isolation of holder from generator Water-seals Vent pipes and safety valve Frothing in generator Dry process of generation Artificial lighting of generator sheds CHAPTER IV THE SELECTION OF AN ACETYLENE GENERATOR Points to be observed Recommendations of Home Office Committee British and Foreign regulations for the construction and installation of acetylene generating plant CHAPTER V THE TREATMENT OF ACETYLENE AFTER GENERATION Impurities in calcium carbide Impurities of acetylene Removal of moisture Generator impurities in acetylene Filters Carbide impurities in acetylene Washers Reasons for purification Necessary extent of purification Quantity of impurities in acetylene Purifying materials Bleaching powder Heratol, frankoline, acagine, and puratylene Efficiency of purifying material Minor reagent Method of a gas purifier Methods of determining exhaustion of purifying material Regulations for purification Drying Position of purifier Filtration General arrangement of plans Generator residues Disposal of residue CHAPTER VI THE CHEMICAL AND PHYSICAL PROPERTIES OF ACETYLENE Physical properties Leakage Heat of combustion Explosive limits Range of explosibility Solubility in liquids Toxicity Endothermic nature Polymerisation Heats of formation and combustion Colour of flame Radiant efficiency Chemical properties Reactions with copper CHAPTER VII MAINS AND SERVICE-PIPES--SUBSIDIARY APPARATUS Meters Governors Gasholder pressure Pressure-gauges Dimensions of mains and pipes Velocity of flow in pipes Service-pipes and mains Leakage Pipes and fittings Laying mains Expelling air from pipes Tables of pipes and mains CHAPTER VIII COMBUSTION OF ACETYLENE IN LUMINOUS BURNERS--THEIR DISPOSITION