It may only come out for one evening every 5 years, but nevertheless, the swingometer is perhaps the most definite design object of any election. It acts out democracy in front of our eyes, as if the reality of counting votes isn't real enough.
A brief history of BBC Swingometers from 1955-2005
Election 1966, BBC Swingometer
Election 1970, BBC Swingometer
Hopefully, Swingometers will be a subject we return to again soon.