Page:The castellated and domestic architecture of Scotland from the twelfth to the eighteenth century (1887) - Volume 1.djvu/231

CRICHTON CASTLE 211 SECOND PERIOD a straight stair led, in the thickness of the north wall, to the upper floor in the vault of the basement. This staircase also conducted to the door of the dungeon in the north-east corner of the keep, which is about 8 feet long by 6 feet wide. The door, which is only about 30 inches high, is