BRIDOL is the British Sundial Society's Register of Fixed and Mass Dials, which gives detail and photographs of about 8000 fixed sundials and 3000 mass dials in the UK.
Some of these are in private gardens, but the majority are publicly available.
The dial is at the East end of the churchyard.
There is a compass rose and the latitude 50 49. Engraved ’ BELLAMY Cheddington’; also ’CALE Engraver’ and ’CLIFT Beamister’ [sic].