OXALIC.--Tin plate, art metal work, button, tool making, whip, pen and penholders, wholesale boot and shoe trade. PYROGALLIC.--Gas manufacture, art metal. SULPHURIC (OIL OF VITRIOL).--Iron wire, nails, bedsteads, button, pen, gelatine, chemical trades, soap, hook and eye, tin plate, brass trades, gun, whip, sword. TARTARIC.--Gelatine, nickel and cobalt, art metal. CHEMICALS. AMMONIA and AMMONIUM SALTS.--Gas manufacture, brass trades generally, galvanising, buttons, tin plate, printing and lithography, nails, paper. ARSENIOUS ANHYDRIDE or WHITE ARSENIC.--Brass founding, chandelier, electro-plate, buttons. ALUM.--Gelatine, paper, rolled metal, buttons, wholesale boot and shoe. BORAX.--Metal trades generally, jewellers, gelatine. COPPER SULPHATE or BLUE STONE.--Iron wire, electro-plate, buttons, fibre dressing, printing. GLYCERINE.--Gas fittings, soap, printing. IODINE.--Copper extraction. IRON SULPHATE or COPPERAS.--Buttons, fibre dressing, brass founding, emery paper, wholesale boot and shoe, rouge manufacture. LEAD ACETATE (SUGAR OF LEAD).--Gelatine, buttons, tin plate works, oil and colour works. MERCURIC CHLORIDE (CORROSIVE SUBLIMATE).--Buttons, jewellery, optical instruments, gold beating. NICKEL SULPHATE.--Trades in which nickel plating is used, bicycles, sewing machines, bridle bit, &c. POTASSIUM SALTS (CAUSTIC POTASH, CYANIDE, CARBONATE, SAL ENIXUM, FERROCYANIDE, FERRIDCYANIDE, PERMANGANATE, BICHROMATE, CHLORATE, ARGOL or TARTAR).--Brass founding, electro-plate, bedstead, jewellery, gelatine, glass, buttons, soap, whip, tin plate. PLATINUM CHLORIDE.--Electro-plate, buttons, optical instruments. SODIUM SALTS (CAUSTIC SODA, CARBONATE, BROWN ASH, ACETATE, SALT, SULPHATE).--Brass founding, jewellery, alloys, electro-plate, fibre dressing, tin plate, soap. SULPHUR.--Chemical works, rolled metal works, sword, tin plate. ZINC SALTS (CHLORIDE, SULPHATE).--Gelatine, buttons, printing. PIGMENTS. BRUNSWICK GREEN, CARMINE, CHROME YELLOW, COBALT, GAMBOGE, INDIAN RED, INDIGO, IVORY BLACK, LAMP BLACK, OCHRE, ORANGE CHROME, ORPIMENT, PRUSSIAN BLUE, RED LEAD, SCHEELE’S GREEN, SMALTS, UMBER, ULTRAMARINE, VERDIGRIS, VERMILION, YELLOW OCHRE, ZAFFRE, ZINC WHITE, WHITE LEAD.--(Red and white lead are used for lutes as well as for pigments, red lead too is largely consumed in the manufacture of flint glass). Brass founding, tin plate works, japanning, bedsteads, lithography, brush works, coach and carriage works, buttons, ammunition works, cycles, art metal work. STONES. QUARRY STONES, LIMESTONE, BILSTON and DERBY (GRIND) STONES, LITHOGRAPHIC STONE, WHETSTONE, RAGSTONE, WATER OF AYR STONE, TURKEY STONE, ARKANSAS.--Iron smelting, chemical works, nickel and cobalt refining, sword, edge tool, and tool grinding generally, printing and lithography, tin plate, brass founding, gun, button, sword, art metal, electro-plate. APATITE, SOMBRERITE, and NATIVE PHOSPHATES.--Phosphorus manufacture.