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BRONZING

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Originally appearing in Volume V04, Page 641 of the 1911 Encyclopedia Britannica.
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BRONZING , a See also:

process by which a See also:bronze-like See also:surface is imparted to See also:objects of See also:metal, See also:plaster, See also:wood, &c. On metals a See also:green bronze See also:colour is sometimes produced by the See also:action of such substances as See also:vinegar, dilute nitric See also:acid and sal-ammoniac. An See also:antique See also:appearance may be given to new bronze articles by brushing over the clean See also:bright metal with a See also:solution of sal-ammoniac and See also:salt of See also:sorrel in vinegar, and rubbing the surface dry, the operation being repeated as often as necessary. Another solution for the same purpose is made with sal-ammoniac, cream of See also:tartar, See also:common salt and See also:silver nitrate. With a solution of platinic chloride almost any colour can be produced on See also:copper, See also:iron, See also:brass or new bronze, according to the dilution and the number of applications. Articles of plaster and wood may be bronzed by coating them with See also:size and then covering them with a bronze See also:powder, such as Dutch metal, beaten into See also:fine leaves and powdered. The bronzing of See also:gun-barrels may be effected by the use of a strong solution of See also:antimony trichloride.

End of Article: BRONZING

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