Lord Mansfield held the contract was ineffective, on the basis that it was not in good faith.
The second and third editions have a long dedication to Lord Mansfield.
The proprietor, Lord Mansfield, arrived on the scene in time to save the last stone.
The tradition continued especially under Lord Mansfield, who is said to be the father of English commercial law.
The ruling and opinion of Lord Mansfield became permanent law with this case.
Lord Mansfield, having heard both sides of the argument, retired to make his decision, and reserved judgment for over a month.
In the end, merchants could continue trading slaves for 61 years after Lord Mansfield's decision.
Lord Mansfield would appear to have preferred not to have made any decision.
Lord Mansfield was childless and on his death in 1793 the barony became extinct.
Lord Mansfield's judgment looked beyond the narrow facts of the case.