Title: Longcase clock with calendrical, lunar, and tidal indications, also known as the Graves Tompion
Object type: Longcase clock
Date: ca. 1677–80
Artist: Clockmaker: Thomas Tompion 
Artist bio: British, 1639–1713
Artist nationality: British
Artist role: Calligrapher
Medium: 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
Dimensions: Overall: 77 × 17 × 8 in. (195.6 × 43.2 × 20.3 cm);  Width (dial plate): 10 in. (25.4 cm)
Classification: Horology
Credit line: Bequest of Marilyn Preston Graves, 1999
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY