I. (In Dark Bottle.)
| Silver nitrate | 45 grains. |
| Distilled water | 3½ oz. |
II. (In White Bottle.)
| Sulphide of sodium | 120 grains. |
| Distilled water | 3½ oz. |
Crinochrom.
I. (In White Bottle.)
| Pyrogallic acid | 150 grains. |
| Distilled water | 6¼ oz. |
| Alcohol | 5¾ oz. |
II. (In Dark Bottle.)
| Silver nitrate | 180 grains. |
| Ammonia water | 2 oz. |
| Distilled water | 10½ oz. |