| Precipitated chalk, | 1 lb. |
| Powdered orris-root, | 1/2 lb. |
| Powdered camphor, | 1/4 lb. |
Reduce the camphor to powder by rubbing it in a mortar with a little spirit, then sift the whole well together. On account of the volatility of camphor, the powder should always be sold in bottles, or at least in boxes lined with tinfoil.
Quinine Tooth Powder.
| Precipitated chalk, | 1 lb. |
| Starch Powder, | 1/2 lb. |
| Orris powder, | 1/2 lb. |
| Sulphate of quinine, | 1 drachm. |
After sifting, it is ready for sale.
Prepared Charcoal.
| Fresh-made charcoal in fine powder, | 7 lbs. |
| Prepared chalk, | 1 lb. |
| Orris-root, | 1 lb. |
| Catechu, | 1/2 lb. |
| Cassia bark, | 1/2 lb. |
| Myrrh, | 1/4 lb. |
Sift.
Peruvian Bark Powder.
| Peruvian bark in powder, | 1/2 lb. |
| Bole Ammoniac, | 1 lb. |
| Orris powder, | 1 lb. |
| Cassia bark, | 1/2 lb. |
| Powdered myrrh, | 1/2 lb. |
| Precipitated chalk, | 1/2 lb. |
| Otto of cloves, | 3/4 oz. |