K kosso_olli Member Aug 10, 2006 #1 Aug 10, 2006 #1 Here it is. Ivented by Frederick and August Duesenberg. Attachments dues_engine.jpg 195.1 KB Views: 1,319 dues engine1.jpg 201.6 KB Views: 925 dues engine2.jpg 211.3 KB Views: 1,071