bobowoodlake: This is a 14 foot-long, 1.5 ton stone xylophone made in 1827 by Keswick stonemason Joseph Richardson out of rare ‘hornfels’ rock found between the mountains Skiddaw and Blencathra in North Cumbria, UK. (video)

oldbookillustrations: White-backed Woodpecker, from Encyclopédie d’histoire naturelle – oiseaux vol. 1 (Encyclopedia of natural history – birds vol. 1), Paris, 1860. Via archive.org