The picture was taken from, "The Secret History of the World by Mark Booth" pg 75. The authors description of the picture reads, "Germanic sun-idol, Engraving of 1596. J.B. van Helmont, an important alchemist and scientist who will feature later in this history, called the stomach 'the seat of the soul'."
The Picture: http://tinypic.com/view.php?pic=w7zz0y&s=5
Note the 8 spokes on the wheel.
The Picture: http://tinypic.com/view.php?pic=w7zz0y&s=5
Note the 8 spokes on the wheel.