Previous work has shown that parents and offspring can often be paired from the smell of such T-shirts, so the judges were asked to compare the scent of each child's T-shirt with that of two T-shirts worn by men, and identify the shirt that had been worn by the child's father.
Another display later in the year of the original costumes worn in the 1995 BBC adaptation of the novel, will include the white shirtworn by actor Colin Firth as Mr Darcy when he emerged from a lake.