Ian Mill QC said as manager he was supposed to look after the boxer's best interests but as promoter he had to "secure all due profit and reward" for his company.

BBC: Boxer Calzaghe 'was not misled'

Eleanor Underhill, Quarry Bank's general manager, said the mill, which already attracts 130, 000 visitors a year, "captures a precious time in this country's history".

BBC: Project to restore Quarry Bank Mill in Cheshire

Ms Jacobs, of Mill Lane in Ongar, was the nursery manager and faces a number of charges including failing to take reasonable care of people who might be affected by her actions at work, failing to ensure the children were adequately supervised in the garden and failing to ensure risk assessments were carried out.

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"We can sell the mill, find a new tenant or we could put in a manager and manage it ourselves, but I hope that it won't come to this, " he added.

BBC: Denver Windmill renovation stalls