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To Bronze Wood

First coat the clean wood with a mixture of size and lampblack; then apply two coats of the green colored sizing in the last receipt; and lastly with bronze powder, such as powdered Dutch foil, mosaic gold, &c., laid on with a brush.

Finish with a thin solution of Castile soap; and, when dry, rub with a soft woolen cloth. 3827. To Bronze Porcelain, Stoneware, and Composition Picture Frames. A bronzing process, applicable to porcelain, stoneware, and composition picture and looking-glass frames is performed as follows: The articles are first done over with a thin solution to the funnel, and, after sufficient time has of water-glass (see No. 2816) by the aid of a been allowed for the heavier liquid to settle, soft brush. Bronze powder is then dusted on, it can be drawn off by opening the stop-cock, and any excess not adherent is knocked off closing it immediately after the heavy liquid Fig. 1.

Fig. 2.

CHEMICAL MANIPULATIONS. has passed. Fig. 1 represents a separating nite, &c., are greatly injured by heat, and funnel, such as is used for ordinary purposes; must be filtered or decanted after repose. but for separating a mixed liquid containing 3835. To Filter Vegetable Infusions. ether or other volatile fluid, a funnel, closed In many instances vegetable infusions and with a stopper similar in construction to Fig. decoctions may be clarified by defecation and 2, is employed to prevent evaporation while decantation of the clear liquid. A convenient the Leavier liquid is settling. For very small method of straining, when that is necessary, quantities a pipette (see No. 3832) is the best is by securing the corners of a square piece of instrument.