Page:The ecclesiastical architecture of Scotland ( Volume 3).djvu/435

 that the tower projects inside. "The most that would have been done, had the church been earlier than the tower, would have been to slap a door of communication through the wall of the church." The tower was probably erected independently as a belfry and for other occasional purposes. A circular stair beginning at the level of the church floor, and entering from the church by a square-headed door, is carried up as far as the upper story of the tower, which has been mended with brick work, otherwise the tower is all of one age. The walls are only 18 inches thick, but the

—Cockburnspath Church. Door and Window Head at East End.

stone steps of the stair bind them together, and make the building as strong as if it had been built of one solid mass of masonry.

The small building at the east end is probably a century later than the church. It has a pointed barrel-vaulted roof, and an original square-headed doorway in the centre of its east wall. It is now used as the heating chamber of the church.

On the apex of the south-west buttress there is a remarkable sundial, which has already been illustrated.