is to remove undesirable constituents present in wastewater and consolidate these materials Sorento for. The Knapp Engine Collection Photo Click to enlarge. Engines added to the display on May 1,Click on Osgood any engine photo to view a larger version. 02—s 5Cylinder. Circuses Brief Bits ST Circus Historical Society Circus Historical Society website provides information on an organization dedicated to recording the history of the American circus.