703. To make Indian Ink.—Put six lighted wicks into a dish of oil; hang an iron or tin concave cover over it, so as to receive all the smoke; when there is a sufficient quantity of soot settled to the cover, then take it off gently with a feather upon a sheet of paper, and mix it up with gum-tragacanth to a proper consistence.
N. B. The clearest oil makes the finest soot, consequently the best ink.
704. Indian Ink.—Take horse-beans, burn them till they are perfectly black, grind them to a fine powder, and, with weak gum-arabic water make it into a paste, and form it into long square cakes.
705. To make China Ink.—Take dried black horse-beans, burn them to a powder, mix them up with gum-arabic water, and bring them to a mass; press it well, and let it dry.