Meanwhile, police expert Professor Peter Waddington from Wolverhampton University says the tactic owes its genesis to a dilemma faced by officers confronted with a noisy, and possibly violent, crowd.

BBC: Police 'kettle' tactic feels the heat

By 1957 the machine was being outstripped by faster, smaller computers and it was handed over to the Wolverhampton and Staffordshire Technical College (more recently Wolverhampton University) where it was used to teach programming and began to be called the Witch (Wolverhampton Instrument for Teaching Computation from Harwell).

BBC: Two-tonne Witch computer gets a reboot

Murandu, a senior lecturer in adult nursing at the University of Wolverhampton, said he was very pleased by the results.

BBC: Family sugar remedy tested for healing people's wounds

Roger Seifert, professor of industrial relations and human resources management at the University of Wolverhampton, estimated that about 90% of all schools and colleges in England would be closed on Wednesday due to industrial action.

BBC: Head teacher praised by David Cameron to strike

It said some services could be provided at the University Hospital of North Staffordshire, The Royal Wolverhampton Hospital Trust and Walsall Healthcare NHS Trust instead.

BBC: Support Stafford Hospital shop

It said some services, including accident and emergency, intensive care and maternity, could be provided at the University Hospital of North Staffordshire, the Royal Wolverhampton Hospital Trust and Walsall Healthcare NHS Trust instead.

BBC: Tens of thousands in Support Stafford Hospital march