Take 1 gallon of acetate of alumina, (made with 50 gallons water, 100
libs. alum, 10 libs. soda crystals, and 100 libs. acetate of
lead; the supernatant liquid being of spec. grav. 1·085);
dissolve in it
4 ounces of corrosive sublimate; thicken with
2 pounds of gum senegal,
4 pounds of pipe-clay, and mix in 8 ounces of gallipoli oil.