W tower, S face, 2nd storey, stones 3 and 4.
Image of the feature "III. Exterior Features: 3. Exterior Decoration: d. Miscellaneous: Chevron voussoir" at Cambridge.
by Ron Baxter.
On the S wall of the tower, W of the rectangular second storey window, and partly obscured by a drainpipe, a chevron voussoir similar to (i).