1699. Common Work only requires frequent rubbing with linseed oil and woolen rags. The remainder, with the exception of glass, will be treated of in this paper.
1700. Alabaster, Marble and Stone, may be stained of a yellow, red, green, blue, purple, black, or any of the compound colors, by the stains used for wood.
1701. Bone and Ivory.—Black.—Lay the articles for several hours in a strong solution of nitrate of silver, and expose to the light.
1702. Boil the article for some time in a strained decoction of logwood, and then steep it in a solution of per-sulphate or acetate of iron.
1703. Immerse frequently in ink, until of sufficient depth of color.