Blue and Gold.—Dye the cotton with 2 lb. Diamine sky blue and the silk with 1 lb. Fast yellow S.
Dark Blue and Green.—Dye the cotton with 1½ lb. Diamine black B H, 1½ lb. Diamine sky blue and ½ lb. Diamine azo
blue 2 R; the silk with 2 lb. Naphthol yellow S and 1 lb. New methylene blue G G.
Violet and Yellow.—Dye the cotton with 2 oz. Diamine violet N and the silk with 1 lb. Fast yellow S.
Orange and Violet.—Dye the cotton with 2 lb. Diamine orange D C and the silk with 1 lb. Formyl violet S 4 B.
Dark Blue and Olive.—Dye the cotton with 1½ lb. Diamineral blue R and ½ lb. Diamine azo blue 2 R, and the silk with 1 lb. Naphthol yellow B and 1 lb. Orange G G.
Green and Pink.—Dye the cotton with 1½ lb. Diamine fast yellow A and ¼ lb. Diamine sky blue, and the silk with 1 lb. Erythrosine B.
Brown and Blue.—Dye the cotton with 3 lb. Mikado brown 2 B, and the silk with ½ lb. Pure blue.
It is quite possible to produce two coloured effects containing blue in one bath by using Alkali blue as a constituent with a direct dye which works only on to the cotton, the alkali blue going on to the silk, as, for example, in the following recipes:—
Orange and Blue.—The dye-bath is made with 3 lb. Mikado orange 5 R O and 1¼ lb. Alkali blue 6 B. After the dyeing the goods are rinsed, then passed through a bath of 1½ lb. sulphuric acid in 10 gallons water, washed well and dried.