t to be marked, and dry and smooth with a hot
flat iron.

II. Platinum bichloride 1 dr.
Water 2 oz.

Trace the letters with this fluid, permit to dry, and finally apply
solution.

III. Stannous chloride 1 dr.
Water, distilled 4 "

TO MAKE A CARMINE.

Take 9 ozs. carbonate of soda and dissolve in 27 quarts of rain-water, to
which add 8 ozs. of citric acid. When boiling, add 1-1/2 lbs. of best
cochineal, ground fine, and boil for one and a quarter hours. Filter and
set the liquor aside until cool. Then boil the clear liquor for ten
minutes with 9-1/2 ozs. of alum. Draw off, and allow the mixture to settle
for two or three days. Again draw off the liquor, and wash the sediment
with clear, cold, soft water, and then dry the sediment.

VIOLET INK.

To make violet ink:--Put 8 ozs. logwood into 3 pints of water, and boil
until half the water has gone off in steam. The rest will be good ink, if
strained, and supplemented by 1-1/2 ozs. gum, and 2-1/2 ozs. alum.
Chloride of tin may be used instead of alum. Another plan is to mix, in
hot water, 1 oz. cudbear (a dye obtained from lichen fermented in urine)
and 1-1/2 ozs. pearlash; let it stand 12 hours; strain; add 3 ozs. gum and
1 oz. spirit.

INDELIBLE INK.

A cheap indelible ink can be made by the following recipe:--Dissolve in
boiling water 20 parts of potassa, 10 parts of fine-cut leather chips, and
5 parts of flowers of sulphur are added, and the whole heated in an iron
kettle until it is evaporated to dryness. Then the heat is continued until
the mass becomes soft, care being taken that it does not ignite. The pot
is now removed from the fire, allowed to cool, water is added, the
solution strained and preserved in bottles. This ink will flow readily
from the pen.

HOW TO REMOVE INK-STAINS FROM THE HANDS.

Ripe tomatoes will remove ink or other stains from the hands.

TREATMENT OF INDIA INK DRAWINGS.

An easy method for rendering drawings in Indian ink insensible to water,
and thus preventing the ink from running when the drawing has to be
colored and the lines are very thick:--To the water in which the ink has
to be rubbed, is added a weak solution of bichromate of potash of about 2
per cent. The animal gum contained in the Indian ink combines with the
bichrome, and becomes insoluble under the influence of light.

BLACK INK.

To make a black ink for fountain pens, add 1 part of nigr