GOLD Size, for burnished gilding, is prepared of one pound and a half of tobacco-pipe clay, half an ounce of red chalk, a quarter of an ounce of black lead, forty drops of sweet oil, and three drams of pure tallow. Grind the clay, chalk, and black lead, separately, very fine, in water; then mix them together, add the oil and tallow, and then grind the mixture to a due consistence.