Calendar: 1886-1887 Page 209

APPLIED SCIENCES 205 Nitrogen -Its functions in the Atmosphere Determination Mthe proportions of Nitrogen and Oxygen in Air xjutruon -Diamond and Graphite or Plumbago-their uses Lamp Black Charcoal Distillation of ood Animal Char- coal 01 1ione-black-its use in Sugar-refining Coal and its varieties-their applications for Heating and Lighting Carbonic Acid Respiration Fermentation Accidents from Carbonic Acid in Wells &c Testing state of Air in Dwelling-rooms Ventilation Soda-water Importance of Carbonic Acid in Agriculture Silts of Carbonic Acid Fearl- ash Alkali Lime-stones White Lead &c Carbonic Oxide Its value in Metallurgic operations Roasting of Copper-ores Manufacture ol Gas free from Sul- phur Preparation of Carbonic Oxide Oxalic Acid hydrocarbons -Manufacture of Coal-gas Relative values of its constituents Chemical valuation 01' Gas Explosions in Coalmines Safety-lamps Illuminating Flames Giib- burners Petroleums and Paraffin Oiis Use of the Blov pipe Ammonia -Valuation of Nitrogenized Manures Formation of Saltpetre Nitric Acid Uhtillation of Aquafortis Uses of Nitric Acid in assaying aid analysis of metallic alio Preparation of Gun Cotton Fulminate of Mercury Nitre glycerine Nitrobenzole Picric Acid Nitrates Gunpowder Chlorine -Extraction from Salt Bleaching Disinfecting Action of Chlorine on Metals and on organic substances Chloroform Chloral Chloride of Lime Hydrochloric Acid -Manufacture of Alkali Chlorate of Potash -Detonating Fuzes Use of Chlorates in Fireworks Aqua Regia -Mode of Dissolving and Testing Gold Bromine -Iodine -Iodide of Potassium Iodine-scarlet Fluorine -Fluor Spar Etching on Glass Sulphur Metallic Ores containing Sulphur Mineral