sentences:  From an administrative perspective, the prison was generally well run during the period.These staff were supported by an official surgeon, a chaplain and could, on occasion, call upon the services of a local midwife to assist pregnant prisoners.A small garrison of "invalides" was appointed in 1749 to guard the interior and exterior of the fortress; these were retired soldiers and were regarded locally, as Simon Schama describes, as "amiable layabouts" rather than professional soldiers.