• 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)