A technician uses a paint brush to extend the BBC swingometer during election coverage - 18 June 1970
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Extending the swingometer, 1970 style

A larger swing than BBC analysts had predicted meant the swingometer had to be extended live on air - with a paint brush.

This video is part of an article about the history of the BBC's election night coverage, which you can read here.

  • 06 May 2015