94 DYEING AND CALICO PRINTING.

Dahlia.

For too lbs. of wool. Stir 20 lbs. of good cudbear in a little water,straining through a sieve into a clean kettle. Heat the bath to 180°, and then add2 lbs. of muriate of tin. Enter for one hour without boiling. Rinse and dry.

Crude acetic acid or wood vinegar can be used to obtain fine red shades ofpeach colour, and ammonia or pearl-ash for blue shades. Orchil may besubstituted for cudbear. This dye should never be boiled.

Maroon.

For 100 lbs. of wool. Boil 20 lbs. of cudbear, or 25 lbs. of orchil, and 4 ozs.of magenta crystals for ten mintes. Cool the dye to 175° F. Enter thefabric or wool, increase the temperature to 212°. Remove, rinse, and dry.

YELLOWS.

Yellow.

For 100 lbs. of wool. Dissolve 15 lbs. of alum, 4 lbs. of cream of tartar,10 lbs. of muriate of tin, 1 lb. of tin crystals, 2 lbs. of flavine, or 8 lbs. of quer-citron bark. Boil until the flavine is dissolved, and cool to 170° F. Enter thewool, and while handling raise the temperature to 212°, then allowing thegoods to remain for three quarters of an hour. Remove, cool, and rinse.Cochineal may be added for dark yellows, omitting the alum if the colourapproaches orange, as it causes this colour to become dull and blurred. A fewpounds of sulphuric acid will sometimes increase the brilliancy of the yellow.Picric acid is employed for delicate tints of yellow, and may be made fast bymuriate of tin.

Balge Yellow.

This colour is generally employed on cassimere for vestings. The goodsshould be previously well bleached by sulphuring.

For five pieces of goods each of 10 lbs. weight. Dissolve in water, heatedto 140° F., 5 lbs. of alum, 2 lbs. of muriate of tin, and the liquor from 3 lbs.of fustic. The tannic acid should be previously eliminated from the fustic byadding J lb. of glue to the boiling fustic liquor. Handle the goods until therequired shade is obtained.

Orange.

For 100 lbs. of wool. Boil for ten minutes 5 lbs. of tartar, 3 lbs. of flavine,

5 lbs. of cochineal, 1 lb. of tin crystals, 10 lbs. of muriate of tin. Cool thekettle to 180° F., and enter the wool for ten minutes. Then if even boil forhalf an hour; if uneven, add 8 lbs. of hydrochloric acid. Rinse and dry.

Salmon.

For 100 lbs. of wool. Boil for ten minutes 10 lbs. of alum, 3 lbs. of tartar,

1 oz. of flavine, 5 ozs. of cochineal, 6 lbs. of muriate of tin, 2 lbs. of hydro-chloric acid. Cool to 180° F. Enter the wool, handle, and boil until even.Cool and rinse. The shade may be varied by adding more or less cochinealor flavine.

Salmon with Madder.

For 100 lbs. of wool. Dissolve 10 lbs. of alum, 3 lbs. of tartar, 4 lbs. ofmuriate of tin, 3 lbs. of madder, 4 lbs. of hydrochloric acid. Heat to 170° F-,