back to The Seven Metals
The texts reads: "Visit the interior of the earth, and rectifying, you will find the hidden stone".
The alchemist' face is in the center, because the transmutation about him, not laboratory work.
The signs of the metals/planets are not in the right order. Sometimes alchemists did this on purpose in order to confuse.
Other symbols in this image here are the Queen and king, for the Whiteness and Redness phase of the Work; earth and water as the symbols for the bodily consciousness and the initial inner awareness.
The salamander is the Matter fixed in the state of redness.
The eagle is the volatilized matter.
There is also the trinity of Body, Soul and Spirit.