BBC election night swingometer from the 1970s
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Election 2015: New look for results swingometer

There are just a few dozen hours until the BBC Election 2015 programme goes on air and a 60-year-old tool swings into action.

In a Daily Politics film, Ellie Price hears about the swingometer's history, dating back to regional coverage in 1955. Later it went national, and experienced a series of technological refits under the care of Bob McKenzie, Peter Snow and Jeremy Vine.

For this era of multi-party politics, the swingometer will sport a new look. Tune in to the BBC's election coverage from 21:55 BST on Thursday to see the new and improved version.

Subscribe to the BBC Election 2015 newsletter to get a round-up of the day's campaign news sent to your inbox every weekday afternoon.

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