1. Phononurgia Nova, image from Liber I, page 3: close up of anacamptic triangle Collection: Images from the Rare Book and Manuscript Collections Location: Kempten, Schwaben, Bavaria, Germany Date: 1673 Format: Image Creator: Kircher, Athanasius, 1602-1680
2. Phononurgia Nova, image from Liber I, page 3 Collection: Images from the Rare Book and Manuscript Collections Location: Kempten, Schwaben, Bavaria, Germany Date: 1673 Format: Image Creator: Kircher, Athanasius, 1602-1680