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Interactives Electric kettle | Toaster | Windscreen wiper | Washing machine | Kitchen scales | Clockwork toy | Toilet cistern | Scanner/fax | Lazy-fish corkscrew | Hand drill | Zip fastener | Ultrasound scanner | Wind turbine | Ball transporter | Gear box | Mechanical wall | Vibrating conveyor | Pinball maze | Bar codes | iButton system Toilet cistern An interactive 'Discovery Point'. The exhibit shows the workings of a flushing toilet cistern. In the animated gadgetry a hand that is mounted on a linear actuator presses the toilet handle and a plunger inside the cistern forces water into a siphon pipe. The full operation can be seen working through the transparent cistern and toilet bowl. The interactive consists of a flushing cistern where the visitor can set the filling level of the cistern. The original exhibit cost in the region of £10,200 (excluding
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