The harbour has an artificial breakwater and extensive modern fortifications (Fort Preble, on the Cape Shore; Fort Levett, on Cushing's Island; Fort Williams, at Portland Head; and Fort McKinley, on Great Diamond Island) among the best equipped in the United States.
An old quack doctor named Levett, who had a wide practice, but among the very poorest class, poured out Johnson's tea in the morning and completed this strange menagerie.
Year after year Mrs Williams and Mrs Desmoulins, Polly and Levett, continued to torment him and to live upon him.