The

dial on the right was made as a retirement present and is Welsh slate, standing on a Bath stone base. The dial and decoration are carved straight onto a shard of slate as found in the quarry.

The multifaceted dial shown on the left won a sundial competition and now stands in Pocock's Garden at Christ Church.

Other, more sculptural designs are possible. Shown on the right is a hemicyclium, based on a Greek dial by Berossus c.300BC, where the dial scale is set in a hollowed bowl in the stone.