dd the two together.
Dissolve one-half ounce Gum Arabic in one-half pint Hot Water; add all
together and let stand four days. Strain and bottle for use.

BLUE INK.--Six parts Persian Blue, one quart Oxalic Acid; triturate
with little Water to smoothe paste, add Gum Arabic and the necessary
quantity of Water.

INDELIBLE INK TO MARK LINEN.--One and a half ounces Nitrate of Silver
dissolved in six ounces Liquor Ammonia Fortis, one ounce Archill, for
coloring; one-half ounce Gum Arabic. Mix.

FOR YELLOW.--Write with Muriate of Antimony; when dry wash with
Tincture of Galls.

BLACK.--Write with a Solution of Green Vitriol and wash with Tincture
of Galls.

BLUE.--Nitrate of Cobate, wash with Oxalic Acid.

YELLOW.--Subacetate of Lead, wash with Hydrochloric Acid.

GREEN.--Arsenate of Potash, wash with Nitrate of Copper.

PURPLE.--Solution of Gold and Muriate of Tin.

BLACK.--Perchloride of Mercury, the wash is Hydrochloric of Tin.

BLACK INK.--Extract of Logwood one ounce, Bicromate of Potash
one-quarter ounce. Pulverize and mix in a quart of soft hot water. This
makes a beautiful jet black ink, which will not spoil by freezing.

COPYING INK.--One-half gallon of soft water, one ounce Gum Arabic, one
ounce Brown Sugar, one ounce clean Copperas, three ounces powdered Nut
Gall. Mix and shake occasionally from 7 to 10 days and strain. The best
copying ink made.

BLACK INK.--Shellac four ounces, Borax two ounces, Water one quart;
boil till dissolved and add two ounces Gum Arabic, dissolved in a
little hot water; boil and add enough of a well triturated mixture of
equal parts of Indigo and Lampblack to produce a copper color. After
standing several hours draw off and bottle.

GREEN INK.--Dissolve 180 grains Bichromate of Potash in one fluid ounce
of Water; add while warm one-half ounce Spirits of Wine, then decompose
the mixture with concentrated sulphuric acid until it assumes a brown
color; evaporate this liquid until its quantity is reduced one-half,
dilute it with two ounces distilled water, filter it, add one-half
ounce Alcohol, followed by a few drops of strong sulphuric acid; it is
now allowed to rest, and after a time it assumes a beautiful green
color. Add a small quantity Gum Arabic and it is ready for use.

BEAUTIFUL BLUE WRITING FLUID.--Dissolve Basic or Soluble Prussian Blue
in pure water. This is the most permanent and beautiful blue ink known.

VIOLET COPYING INK.--For blue violet dissolve in 300 par