"Chladni patterns" . . "Chladni plates" . "Ernst Chladni" . . "Chladni" . . . "Chladni figures" . "Chladni plate" . . . . . . . . . . . "Ernst Chladni#Musical instruments" . . . . . . . "Chladni, Ernst Florens Friedrich" . . . "Ernst Chladni#Chladni figures" . "Ernst Chladni" . "Ernst Florens Friedrich Chladni" . "1756-11-30" . . . . . "1756" . . . "Chladni Plate" . . . . . . . . . "1827" . . . "Ernst_Chladni#Chladni_figures" . . . . . . . .