1. [Wooden hydraulic machines: tympanum, water wheel, water mill, and water screw] (from Vitruvius, On Architecture) Collection: Images from the Rare Book and Manuscript Collections Date: ca. 1567 Format: Image
2. The new spinning mill, near Akureyri Collection: Icelandic and Faroese Photographs of Frederick W.W. Howell Location: Akureyri, Iceland Date: ca. 1900 Format: Image Creator: Howell, Frederick W. W.
