Page:The castellated and domestic architecture of Scotland from the twelfth to the eighteenth century (1887) - Volume 1.djvu/366

 THIRD PERIOD 346 - BORTHWICK CASTLE leading to the parapet of the outer wall, from which the keep was FIG. 297. Borthwick Castle. Plans of First and Second Floors. entered by a bridge on the level of the first floor. The bridge is now