Watkin Tench (1758-1833) was a British Marine officer who was held prisoner from 1794 to 1795 in Brittany, at the height of the French Revolution. During his imprisonment he wrote a series of letters to a friend in London (it is not clear whether this was genuine correspondence or a genre narrative), which was published in 1796. In them we learn of the adverse conditions he experienced on two convict hulks in Brest harbour, and his later period of...