Essential Information Location National Maritime Museum 12 Sep 2007 Oxford DNB theme: Trafalgar, Nelson, and the national memory This is an 'open shelves' essay from the Oxford Dictionary of National Biography. No subscription needed! (tags: nelson trafalgar navy) Oxford DNB theme: Edmond Halley and early modern astronomy Another 'open shelves' essay from the Oxford DNB. (tags: astronomy Edmond Halley Flamsteed)