As part of the video series "3 Questions about the Collections of the University of Stuttgart", Prof. Jens Wirth presents the department's collection of mathematical models and instruments. In addition to very different models in plaster, wire and paper, Prof. Wirth also shows the function of the spherical planetimeter in the video.
The collection of mathematical models is a member of the Collection network of the University of Stuttgart . Here you can also find more videos of the series.