Calendar: 1874-1875 Page 151

APPLIED SCIENCES M'J Phosphorus -Phosphoric Acid Other Oxides of Phospho- rus Phosphuretted Hydrogen Silicon -Silica Fluoride of Silicon Boron -Boracic Acid Other Compounds of the Non-Metallic Elements Hydrocarbons -OlefiantGas Marsh Gas Safety Lamp Nature of Flame Blowpipes Oxalic Acid Cyanogen Hydrocyanic Acid Isomerism Metallic Elements General Properties of the Metals Metallurgic Operations Mechanical and Chemical treatment of Ores Theory of Salts Potassium -Potash Nitre Gunpowder Pearlash Alka- limetry Sodium -Rock Salt Sulphate and Carbonate of Soda Varieties of Glass Ammonium Salts of Ammonia Sal Ammoniac Barium -Salts of Baryta Calcium -Lime Mortars Cements Building Materials Plaster of Paris Carbonate of Lime Magnesium -Magnesia Epsom Salts Aluminum Alum Clays Pottery Ultramarine Zinc -Extraction of AUoys Calamine Cobalt -Smalt Nickel-German Silver Iron -Processes of Smelting Cast Iron Bar Iron Steel Pyrites Ores and Salts of Iron Chromium -The Cbromates Manganese -Black oxide of Tin -Alloys Chlorides Arsenic -Orpiment Antimony -Alloys Bismuth -Alloys and Salts of Copper -Smelting of Bronze Brass Blue Vitriol Lead -Extraction of Desilvering Use of Lead in Water supply Red Lead White Lead Mercury -Vermilion Calomel Corrosive Sublimate Silver -Assaying Plating Chloride and Nitrate of Siiver