Take 1-1/2 gallons of water; in which dissolve
2-1/2 libs. of binacetate of copper,
10 libs. of sulphate of copper; and add to the solution
6 libs. of acetate of lead; then thicken with
10 libs. of gum; adding afterwards 10 libs. of sulphate of lead.
After printing-on this reserve, the goods are to be hung up for two
days, then dipped till the proper blue tint be obtained. Finally they
must be winced through dilute sulphuric acid to clear up the white, by
removing the cupreous tinge.