1. [Water Clock and Calendar] (from Vitruvius, On Architecture) Collection: Images from the Rare Book and Manuscript Collections Date: ca. 1567 Format: Image
2. [Calendar] (from Vitruvius, On Architecture) Collection: Images from the Rare Book and Manuscript Collections Date: ca. 1567 Format: Image
3. Horae diei; Horae noctis [Hours of the Day and Night] (from Apianus, Cosmography) Collection: Images from the Rare Book and Manuscript Collections Date: ca. 1574 Format: Image
