1. Print-on the white reserve.
  2. Dip in the blue vat; rinse and dry.
  3. Pad in the buff liquor, as formerly prescribed.
  4. Ground in upon the buff spots, the discharge, No. 2. presently to be described.
  5. Wash away the paste in chalky water.
  6. Wince through a boiling alkaline lye, to raise the buff iron colour.

IV. The Discharge style; first, of simple discharges.

1. Discharge for block printing.

Take 1 gallon of lemon or lime-juice, of spec. grav. 1·09, in which dissolve

1 pound of tartaric acid,
1 pound of oxalic acid, and thicken the solution with
4 pounds of pipe or china clay, and 2 pounds of pulverised gum; as soon as the gum is dissolved, the mixture must be put through a searce.

2. Another discharge is made of half the above acid strength.

3. A third with one half of the solid acids of the second.

4. Take 1 gallon of water, in which dissolve with heat

1 pound of cream of tartar adding, to facilitate the solution,
1 pound of warm sulphuric acid of spec. grav. 1·7674; after 24 hours mix
4 libs. of pipe or China clay, and three libs. of gum with the decanted clear liquor.
In some cases British gum is used alone, as a thickener.

5. Discharge for the cylinder machine.