Title: Longcase clock with calendar
Object type: Longcase clock with calendar
Date: ca. 1680–85
Artist: Clockmaker: Joseph Knibb 
Artist bio: British, 1640–1711
Artist nationality: British
Artist role: Maker
Medium: Case: walnut and oak veneered with walnut; dial: gilded and silvered brass; movement: brass, steel
Dimensions: Overall: 78 1/4 × 16 3/8 × 9 1/4 in. (198.8 × 41.6 × 23.5 cm);
Quarter Strike weight (far left when viewing the object) and Hour Strike weight: 11.5 lb. (5.2 kg);
Going Train (center): 6.7 lb. (3.1 kg);
Width (dial plate): 10 in. (25.4 cm)
Classification: Horology
Credit line: Bequest of Irwin Untermyer, 1973
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY