| It engraves sounds into paper and fills them with pounded nutgall. |
| One way is to grind the stone rough, pour diluted aquafortis and nutgall over it, clean it with water and dry it. |
| Tannin can be extracted with hot water from the bark of chestnut, nutgall, oak, certain sumac leaves, hemlock, coffee, tea and walnuts. |
| I was unable to locate any of the ordinary astringent drugs, such as kino, krameria, or nutgall. |
| In two pints of water boil one ounce of tan, and a like portion of nutgall till reduced to a pint. |
