II.—One hundredweight Vandyke brown, ground fine in water, and 28 pounds of soda, dissolved in hot water, are mixed while the solutions are hot in a revolving mixer. The mixture is then dried in sheet-iron trays.
Yellow.
Imitation Stains.
Yellow, green, blue, or gray staining on wood can be easily imitated with a little glazing color in oil or vinegar, which will prove better and more permanent than the staining. If the pores of the wood are opened by a lye or a salt, almost any diluted color can be worked into it. With most stains the surface is thus prepared previously.
Light-fast Stains.
Spirit Stains:
Black.—
| I.— | White shellac | 12 ounces |
|---|---|---|
| Vegetable black | 6 ounces | |
| Methylated spirit | 3 pints | |
| II.— | Lampblack | 1 pound |
| Ground iron scale | 5 pounds | |
| Vinegar | 1 gallon |