Longcase clock with calendrical, lunar, and tidal indications, also known as the Graves Tompion

ca. 1677–80

Case: oak veneered with walnut, panels of oystershell-cut olive wood; marquetry panels of green-stained bone, ivory, various woods; mounts: gilded brass; dial: gilded and silvered brass; movement: brass, steel · Overall: 77 × 17 × 8 in. (195.6 × 43.2 × 20.3 cm); Width (dial plate): 10 in. (25.4 cm)