Location: Bonn, Germany, 1850, transported to the Field Museum of Natural History, Chicago (189x-190x) Constructed by Th. Dickert. (Bonn, Germany) and JF Julius Schmidt (Athens, Greece). Size: 19.2 feet (diameter) Scale 1:600,000 Material: Yellow-matte plaster with 3x vertical exaggeration Topography after Mädler The original exhibit, in Bonn. Illustrirte Zeitung 589, Oct 14, 1854. Source: OC Farrington: […]