What is bizarre is that one of the quadrants is either incorrectly assembled or incorrectly depicted, meaning that it would had been functionless. If you look at the globe you will see an outline of Europe. On this you will find a small area called Policy, which was the estate where Dinteville lived. This is uncommon with other globes and hints the identity of one of the men. To the right there are many objects associated with music, the lute, the flutes and the hymnbook.
Music is one of the seven liberal arts, which is also associated with harmony.
If you look closely at the lute you will find that it cannot be played because it has one broken string. Perhaps this was an indication that harmony was broken and there were troubled times ahead of them. Many people as a guide to calculation used this book. However, the most significant part of the book is the first word on the page, Dividirt , meaning divide. Again this is reinforcing the issue of the division in Europe.