Compass steampunk device with glass dome Free 3D model

A few other renders with the AVI This animation took 29 hrs to render and I'm not sure it is clear on what is going on. (really don't wont to do another render) So You first rotate the small wheel that turns the dome until two markers line up on the side. You then remove the two pins, lift the cross member then remove the dome to reveal the inside of the box were the compass would be stored. Anything can be put inside the dome. I put a model of the Earth and a rotating Moon inside the dome just for the effect.