I have done it! How clever! As I open a door, i can enter a room, but when I close the door, I reveal another! I found a way to stop the spinning metal spehere. While doing it, I also realized that some of the symbold visible here seem to repeat around the islands: certain kinds of eye shapes, it seems. The metallic sphere turned away, revealing a hidden mechanism. I am saddened to admit, that after studying the mechanism it seems that it is either unpowered or broken... The five markers, the dial they are attached to, and the button do absolutely nothing! I will not be disheartened by this! Perhaps there is still something that can be done here...