Four Midlands companies contributed to a key attraction at the Millennium Dome. The Tower of Babel, the biggest piece of stage machinery ever built, relies on sophisticated hydraulics to extend to a height of 25m at the climax of the second act of the Dome’s aerial acrobatic live show, and then collapses at the end. Bosch Automation Technology supplied the control equipment for the tower’s ascent and collapse. Lindhurst Engineering provided the hydraulic and electrical systems, while Hydraflow Systems provided the power unit, pipework and control valves. Main contractor was exhibition and theatre specialist Sheetfabs of Nottingham.