CEMENT.
| Fine Whitening, | 2 | ounces. |
| Gum-Arabic, | 2 | ounces. |
| Finest Flour, | ½ | ounce. |
| Ox-Gall, a teaspoonful. |
The whole to be dissolved, and mixed well with water into thick paste.
This is well adapted for attaching different objects, and especially for fixing shells to pasteboard, etc.