File:KruppsDevils.jpg

Heinrich Kley - Die Krupp'schen Teufel (The Demons of Krupp) 1912/1913, "The bacchanal in which satyrs and devils pour in liquid steel in a cast steel works" - once a wall decoration in one of the Krupp casinos. Source LWL-Industriemuseum, In June 2017 at Henrichshütte Ironworks - Museum of iron and steel, Hattingen, North Rhine-Westphalia, Germany, part of The Industrial Heritage Trail of the Ruhr area, Image from The Art of Heinrich Kley, also photographed by Gerd Isenberg on June 11, 2017