CHAPTER III.
INK DEPARTMENT.
RED INK.—Two ounces Cochineal, bruised; pour over it one quart Boiling Water, let it stand eight hours. Boil two ounces Brazil Wood in one pint of Water, let it stand eight hours and then add 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.