Akustik in einer Kuppel

The engraving depicts the interior of a vaulted chamber designed for the study of sound propagation. Letters mark specific points on the floor and ceiling to indicate how voice or music reflects off the curved surfaces to reach a listener at the opposite side. This represents an early scientific investigation into the 'whispering gallery' effect through experimental architecture.

Athanasius Kircher viewed acoustics as a form of 'natural magic' that revealed the hidden harmonies of the physical world. His studies in sound transmission were part of a larger project to map the correspondences between the mathematical proportions of the cosmos and the human senses.