71. Magnes: Tarantula and its antidote Collection: Images from the Rare Book and Manuscript Collections Date: 1671 Format: Image Creator: Kircher, Athanasius, 1602-1680
72. Magnes: Causes of the tides Collection: Images from the Rare Book and Manuscript Collections Date: 1671 Format: Image Creator: Kircher, Athanasius, 1602-1680
73. Magnes: Heliotropic clock Collection: Images from the Rare Book and Manuscript Collections Date: 1671 Format: Image Creator: Kircher, Athanasius, 1602-1680
74. Magnes: Sunflower clock Collection: Images from the Rare Book and Manuscript Collections Date: 1671 Format: Image Creator: Kircher, Athanasius, 1602-1680
75. Magnes: Divining rods Collection: Images from the Rare Book and Manuscript Collections Date: 1671 Format: Image Creator: Kircher, Athanasius, 1602-1680