Take linseed oil, 1 gallon; put into it gum shellac, ¾ lb.; litharge and burned Turkey umber, each ½ lb.; red lead, ½ lb.; sugar of lead, 6 oz. Boil in the oil till all are dissolved, which will require about four hours; remove from the fire, and stir in spirits turpentine 1 gallon, and it is done.

Another

Linseed oil, 5 gallons; add red lead and litharge, each 3½ lbs.; raw amber, 1¼ lbs.; sugar of lead and sulphate of zinc, each ½ lb.; pulverize all the articles together, and boil in the oil till dissolved; when a little cool, thin with turpentine, 5 gallons.