1. 18th century, early, probably. Bathstone baluster shaft. Most of dial missing.
2. It is not marked at this spot on the Ordnance Survey 25-inch maps of Pembrokeshire XXXIX, sheet 16 in 1888 or1908).
However, on the latter, it appears at SN 9566 9929, outside the conservatory.
C.S.Briggs 18.10.05
