lb.
sulphate of copper and 1/2 lb. sulphuric acid.

_Dark Blue._--Dye with 2-1/2 lb. Diamineral blue R, 3 lb. soda and 20
lb. Glauber's salt; fix with 2 lb. sulphate of copper, 2 lb. bichromate
of potash and 2 lb. acetic acid.

_Turquoise Blue._--Dye with 1 lb. Chicago blue 6 B, 2 lb. soda and 10
lb. Glauber's salt, and fix with 3 lb. sulphate of copper and 2 lb.
acetic acid.

_Dark Turquoise Blue._--Dye with 3 lb. Chicago blue 4 B, 2 lb. soda and
10 lb. Glauber's salt, and fix with 3 lb. sulphate of copper and 2 lbs.
acetic acid.

_Black Blue._--Dye with 4-1/4 lb. Diamine dark blue B, 1 lb. Diamine new
blue R, 2 lb. soda and 10 lb. Glauber's salt, fixing with 5 lb. sulphate
of copper and 2 lb. acetic acid.

By mixing together the various Diamine blues a very great range of
shades can be produced, from pale sky-blue tints to the deepest of
blues.

_Bright Blue._--Dye with 2-1/4 lb. Dianil blue B and 20 lb. Glauber's
salt; fix with 3 lb. of fluoride of chromium.

_Dark Blue._--Dye with 3 lb. Dianil blue B, 1 lb. Dianil dark blue R, 1
lb. soda and 20 lb. salt, fixing with 3 lb. fluoride of chromium.

_Red Violet._--Dye with 1 lb. Dianil blue 4 R and 10 lb, salt, fixing
with 4 lb. fluoride of chromium.

_Dark Plum._--Dye with 3 lb. Dianil blue 4 R and 15 lb. salt, fixing
with 4 lb. fluoride of chromium.

_Red Violet._--Dye with 1 lb. Diamine blue 3 R, 1 lb. soda and 10 lb.
Glauber's salt, fixing with 1-1/2 lb. sulphate of copper and 1 lb.
acetic acid.

_Red Plum._--Use 3-3/4 lb. Diamine blue 3 R, 3 lb. soda and 20 lb.
Glauber's salt, fixing with 5 lb. sulphate of copper and 2 lb. acetic
acid.

_Dark Brown._--Prepare the dye-bath with 5 lb. Diamine catechine B, 3
lb. soda and 15 lb. Glauber's salt and dye at the boil for one hour,
then treat with 2 lb. sulphate of copper and 2 lb. bichromate of potash.

_Brown._--Prepare the dye-bath with 4 lb. Paramine brown C, 20 lb.
Glauber's salt, 2 lb. soda and dye at the boil for one hour; treat with
3 lb. copper sulphate.

_Light Brown._--Dye at the boil for one hour in a bath containing 5 lb.
Diamine catechine G, 3 lb. soda and 15 lb. Glauber's salt, then treat in
a fresh bath with 2 lb. sulphate of copper and 2 lb. bichromate of
potash.

_Dark Chestnut Brown._--Dye for an hour in a boiling bath with 2-1/4 lb.
Diamine catechine G, 1-1/4 lb. Diamine fast yellow B, 3 lb. soda and 20
lb. Glauber's salt; then fix in a fresh boiling bath with 2 lb. sulphate
of copp