BUCHER'S CARMINE INK.—Pure Carmine, twelve grains, Water of Ammonia three ounces, dissolve, then add Powdered Gum eighteen grains. One-half drachm of Powdered Drop Lake may be substituted for the Carmine, where expense is an object.
BRILLIANT RED INK.—Brazil Wood two ounces, Muriate of Tin one-half drachm, Gum Arabic one drachm. Boil down in 32 ounces water to one-half, and strain.
WHITE INK.—Mix pure freshly precipitated Barium Sulphate, or "Flake White," with Water containing enough Gum Arabic to prevent the immediate settling of the substance. Starch or Magnesium Carbonate may be used in a similar way. They must be reduced to palpable powders.
INDELIBLE INK FOR MARKING LINEN.—Add Caustic Alkali to a saturated solution of Corpous Chloride until no further precipitate forms; allow the precipitate to settle, draw off the supernatant liquid with a siphon and dissolve the hydrated copper oxide in the smallest quantity of Ammonia. It may be mixed with about 6 per cent of Gum Dextrine for use.
TO WRITE SECRET LETTERS.—Put five cents' worth Citrate of Potassa in an ounce vial of clear cold water. This forms an invisible fluid. Let it dissolve and you can use on paper of any color. Use quill pen in writing. When you wish the writing to become visible hold it to red hot stove.
BLACK COPYING INK OR WRITING FLUID.—Take two gallons of Rain Water, and put into it Gum Arabic one-fourth pound, Brown Sugar one pound, clean Copperas one-fourth pound, Powdered Nutgall three-fourths pound; mix, and shake occasionally for ten days, and strain; if needed sooner let it stand in an iron kettle until the strength is obtained. This ink will stand the action of the atmosphere for centuries if required.
TO MAKE RUBBER STAMP INK.—Dissolve Aniline in hot Glycerine, and strain while hot or warm.
COMMERCIAL WRITING INK.—Galls one ounce, Gum one-half ounce, Cloves one-half ounce, Sulphate of Iron, one-half ounce, Water eight ounces. Digest by frequent shaking till it has sufficient color. This is a good durable ink and will bear diluting.
TRAVELERS' INK.—White Blotting Paper is saturated with Aniline Black, and several sheets are pasted together, so as to form a thick pad. When required for use a small piece is torn off and covered with a little water. The black liquid which dissolves out is a good writing ink. A square inch of paper will produce enough ink to last for a considerable writing, and a few pads would be all that an exploring party need carry with them. As water is always available the ink is readily made. This is a perfectly original and new recipe. Any enterprising man can make a large income out of its manufacture.
INDELIBLE MARKING INK WITHOUT A PREPARATION.—Dissolve separately one ounce of Nitrate of Silver and one and one-half ounces of Sub-Carbonate of Soda (best washing soda) in rain water. Mix the solutions and collect and wash the precipitate in a filter; while still moist rub it up in a marble or hardwood mortar with three drachms of Tartaric Acid, add two ounces of Rain Water, mix six drachms White Sugar and ten drachms powdered Gum Arabic, one-half ounce Archill and Water to make up six ounces in measure. It should be put up in short drachm bottles and sold at twenty-five cents. This is the best ink for marking clothes that has ever been discovered. There is a fortune in this recipe, as a good marking ink is very salable.