- 1 lb. of Egyptian pine wood bark
- 2 ounces of corroded bronze, ground with vinegar
- 2 ounces of gall (insect egg deposits)
- 1 oz. of vitriol (iron sulphate)
- Mix well and sift. Soak powder in 2 parts water and 1 part leek juice.
- Wash the skin to be tattooed with leek juice.
- Prick design with needles until blood is drawn.
- Rub in the ink.
Aetius (Roman physician)