(a) Today’s cristal Baschet with the elements that compose it (Pictures freely annotated from Collections Musée de la musique (Paris), taken by Jean-Marc Anglès in 1999, referenced as cristal, Bernard et Frangois Baschet, Paris, France, 1980, E.983.14.1); (b) cristal’s resonator with the elements that compose it, notations used to describe the model and the geometrical parameters studied; (c) Setup of experimental modal analysis of C3# resonator.