A bright (cold) gold lacquer for brass and tin that will cover solder marks may be made by dissolving 1 lb. of ground turmeric, 1 1/2 oz. of gamboge, '3k lb. of powdered gum sandarach, and 3/4 lb. of shellac in 2 gal. of spirit of wine. When shaken, dissolved, and strained, add 1 pt. of turpentine varnish.