Up to 2004 Fred Dibnah was our TV guide to Britain’s industrial history, explaining engineering achievements with his delightful Northern friendliness and clarity.

Sheila, who married him only in 1998, previously had her own career as cabaret dancer, showgirl, aide to hypnotists and half of an illusionist act. This talk – funny, upbeat, informative – is about what it’s like to be married to an ex-steeplejack TV celebrity with a mineshaft in his back yard.