A catalogue of the various articles mentioned in the preceding pages, with the prices, explanations, &c. --> The articles which have this mark * prefixed may be procured at 135, Washington-street, Boston. ACETATE OF COBALT, produced by digesting the oxide of cobalt in strong vinegar, _Cts._ * ACETATE OF LEAD, (sugar of lead) procured by dissolving white lead in vinegar, and evaporating, _oz._ 6 * ACETIC ACID, vinegar concentrated by distillation, _pt._ 25 * ALCOHOL, rectified spirit of wine, _pt._ 25 * ALUM, sulphate of alumine and potass, _oz._ 3 * AMMONIA, (hartshorn) a volatile alkali, _oz._ 12 * ANTIMONY, a dark porous metal, _oz._ 6 * BEES WAX, a yellowish resinous substance procured from honey, or honey combs, _oz._ 6 * BISMUTH, (tin glass) a reddish white metal, _oz._ 12 * BORACIC ACID, procured by adding sulphuric acid to a hot solution of borax; the acid crystallizes, _oz._ 100 * BRAZIL-WOOD, (red-wood,) _lb._ 6 * BORATE OF SODA, OR SUB-BORATE OF SODA, (borax) is brought from the East-Indies in an impure state called tincal, _oz._ 6 BURNISH GOLD-SIZE, and BURNISHERS, may be had of Bittle and Cooper, Pemberton's-hill, Boston, prices various, * CAMPHOR, obtained from a species of laurel tree, _oz._ 12 * CARBONATE OF COPPER, (French green) produced by adding a solution of super-carbonate of soda, to a hot solution of sulphate of copper, _lb._ 50 * CARBONATE OF LEAD, (white lead) is formed by exposing thin sheets of lead to the vapour of vinegar, after which they abstract the carbonic acid from the atmosphere, _lb._ 16 * CARBONATE OF STRONTIA, a native mineral, _oz._ 50 CARBONATE OF LIME, (marble, chalk) a native earth, * CHLORATE OF POTASS, procured by passing a current of chlorine gas through a solution of pearl-ash, _oz._ 100 * CHROME YELLOW, a pigment, is formed by the combination of a metallic substance with the chromic acid, _oz._ 12 * COBALT, (Zaffre) a metal of a reddish grey colour; when exposed to a gentle heat, it becomes oxidized and takes the form of a black powder, _oz._ 50 * CITRIC ACID, procured from lemons, limes, &c., _oz._ 75 * CALOMEL, white sublimate of mercury, _oz._ 20 * DRAGON'S BLOOD, a red mucilage extracted from a plant, _oz._ 10 * FLUATE OF LIME, (fluor spar) is found in abundance in Derbyshire, England, its acid constituent has the peculiar property of dissolving glass, _lb._ 50