rolling-ball clock, England, around 1983, wooden pedestal, without Number Platter,made of 999 Examples, here No. 279, Manufacturer Dove Bazeley Ltd. Cheltenham, 23rolling-ball weights , drive over third wheel, standing escapement with Swiss anchorescapement, running period. approx. 1 week, Model: Perpetuum ball clock, with briefinstruction and certificate, H. approx. 36cm, condition ofmovement 2-3 (= good conditionwith minor flaws), housing 2