s is long and difficult. (1)
Boil yarn 6 to 8 hours in a solution of carbonate of soda, 1-1/2 oz.,
wash well and dry. (2) Prepare a solution of 2 fluid ozs. Turkey Red
oil, 2 ozs. carbonate of soda at 100 deg.F., work cotton in this till
thoroughly saturated, wring out, dry. (3) Repeat No. 2. (4) Repeat No.
2. (5) Steep 3 or 4 hours in solution of 1 oz. carbonate of soda at
100 deg.F., wring out, dry. (6) Repeat No. 5 with a slight increase of
soda. (7) as No. 6. (8) Steep 10 hours in water at 100 deg.F., dry. The
cotton should now be clear white. (9) Steep 4 hours in solution of
1-1/2 oz. tannic acid or 4 oz. Galls, at 100 deg.F., wring out, dry.
(10) Steep 24 hours in solution made by dissolving 10 oz. alum in hot
water, and slowly adding 2-1/2 oz. carbonate of soda crystals, wring
out and dry. The cotton is now grey coloured. (11) Dye with 2 lbs.
madder. Bring slowly to the boil, boil for 1 hour, a white scum on the
surface denotes the cotton has absorbed all its colour. A teaspoonful
of chalk may be added to the dye-bath. The cotton is now dark claret
colour. (12) To brighten, boil 3 or 4 hours in a solution of 1/2 oz.
carbonate of soda crystals and 1/2 oz. soap. The bath should be
covered, except for a small outlet for the steam which otherwise
should be retained as much as possible. (13) The cotton can be further
brightened by boiling with 1/2 oz. soap and a teaspoonful of Tin. Wash
and dry.

(4) RED

(For 1 lb.) After boiling out in soda, wash and dry. Steep overnight
in a hot bath of 1-1/2 oz. Tannic acid or 4 oz. Galls, dry, steep in
cold solution of 1/4 lb. alum and 1/2 oz. chalk, dry, add 2 oz. more
alum to solution and steep as before, wash and dry. Dry with 12 oz.
Madder, bring to boil in 1 hour and boil a few minutes, rinse, re-dye
as above, pass through warm soap bath, 2 oz., wash and dry.

(5) YELLOW

(For 1 lb.) Mordant twice in Aluminium acetate, as described for silk
(page 73), or in 1/4 lb. alum and 1-1/2 oz. chalk, steeping in cold
solution. Pass through weak bath of chloride of lime, wash, dry. Dye
with 2-1/2 lbs. weld and 1/2 oz. copper sulphate, boil for 1 hour,
then boil with soap. Or dye with 2 to 3 oz. Quercitron, which should
be brought slowly to the boil and boiled for a few minutes only.

(6) YELLOW

(For 1 lb.) Steep overnight in hot bath of 1-1/2 oz. Tannic acid, or 4
oz. Galls, wring out, dry. Work 2 hours in bath of 1/4 lb. alum and
1/2 oz. chalk, dry, pass through weak bath of