Page:The castellated and domestic architecture of Scotland from the twelfth to the eighteenth century (1887) - Volume 1.djvu/150

 FIRST PERIOD 130 the masonry and the tint of the stones in the round towers, is also ^ / il a ' quite distinct from that of the outside walls of the first period. This is particularly clear at the south-west corner, where, at about 6 feet north-
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