The Chemickal Marriage

A painting by Oskar Veilandt that no longer exists, but that contains a sort of recipe for Veiland'ts ultimate ambition regarding the Process and the blue glass.

The Painting
A description of the painting is given in the third novel, Chemickal Marriage when our heroes look into a blue glass card that contains the Contessa's memories of seeing the painting.

The Alchemical Meaning
Throughout the course of the book, our heroes, and Chang in particular, begins to understand what the painting actually represents.