568

DYEING AND CALICO PRINTING.

No. 14.—

No. 8 2 gals.

Gum substitute water (at 4 lbs. per gallon) .. .. 3J ,,

Acetic acid. 3 quarts

No. 10. 3 „

No. 15. Madder Brown Standard (another, see No. 8).—

Water.70 gals.

Catechu .350 lbs.

Boil for ten hours; then add—

Sal-ammoniac .100 ,,

Acetic acid. g gals.

Gum Senegal (ground) as required to thicken.

No. 16. Brown Colour from above .—

No. 15. 2 gals.

Acetic acid. 1 pint

Acetate of copper (No. 10) 2 pints.

No. 17. Medium Brown .—

Catechu.

Sal-ammoniac .

Water .

Boil till dissolved, and add—

Nitrate of copper, at 8o° Tw.Acetate of copper (No. 10)Glim water.

lbs.

6 ozs.

1 quart.

12 ozs.

8 „i gal.

No. 18. Madder Brown, to Resist Heavy Covers of Purple .—

Catechu. j lb.

Sal-ammoniac . j

Lime-juice, at 8° Tw. i quart

Nitrate of copper, at 8o° Tw. 2} ozs.

Acetate of copper (No. 10).

Gum Senegal. ! lb.

No. ig. Brown for Garancin, Dark .—■

Catechu. g ]bs.

Sal-ammoniac . ii ,,

Water . 1 ga ].

Boil, strain, and add—

Gum water (at 4 lbs. per gallon) . ij gals.

Nitrate of copper, at 84° Tw. 1 quart

Acetate of copper (No. 10). 1 „

Lighter browns can be obtained by increasing the proportion of gum-water. Aredder tone, when required, is given by adding 1 quart of red liquor to about10 quarts or more of the above colour.

No. 20. Medium Brown (for Garancin ).—

Catechu. 3 lbs.

Sal-ammoniac . I0 0 zs.

Water . 2 quarts