sentences:  Examples of the prisoners' craftwork were sold to visitors and passers by.Some highly skilled prisoners were commissioned by wealthy individuals, some of the prisoners becoming very rich in the process.Archdeacon William Strong, a regular visitor to the prison, notes in his diary of 23 October 1801 that he provided a piece of mahogany and paid a prisoner £1 15s 6d to build a model of the Block House and £2 2s for a straw picture of Peterborough Cathedral.