Consisting of but not necessarily limited to: 3- Galvanized Steel 20 in. dia. x 60 in. seam to seam, Dished on 1- End, and Flat on the Other, with Piping Control Valves, Sight Gauges, all are Unitized and Mounted on a 3 in. x 6 in. Box Beam Base, Co. No. T-1836, T-1837 and T-1348; Flat Cap on Other End.