SECOND PERIOD 156 - ALLOA TOWER in the side walls), and, with the bartizans and battlements, gives a fail- idea of what the original was. The hall was 43 feet 6 inches by 22 feet, and the walls are 10 feet thick. In two stories there are passages round the tower in the thickness of the walls. The height of the battlement is 80 feet from the ground. The original newel staircase in the south-west angle is still preserved, and the loopholes which light it are visible in the view from the west (Fig. 123). Additions FIG. 123. Alloa Tower. View from the West. were made to the tower at a later date, when it was extended into the mansion where Queen Mary, James i., and Prince Henry spent much of their youthful time ; but these additions were all destroyed by a great fire in 1800.
