The signs of the four elements are set in a square. Within this is a four lobed circular form, inside which is a hexagram or seal of Solomon. In the six triangular vertices is the six lettered name of God ADONAI, while around the hexagram are six letters in an angelic alphabet. At the centre of the hexagram is a circle with an inscribed triangle. Around the triangle are the symbols of Mercury, Sulphur and Salt, and inside it is a further circle , at the centre of which is a small circle surmounted with the letter 'T'. At the bottom is "The central sign of Nature is the essential tincture and oil. Mercury, Sulphur, Salt".