Title: Longcase equation regulator
Object type: Longcase regulator
Date: ca. 1752
Artist: Clockmaker: Ferdinand Berthoud 
Artist bio: French, 1727–1807
Artist nationality: French
Artist role: Maker
Medium: Oak veneered with satinwood and kingwood; gilt-bronze mounts, glass, enamel, steel, and brass
Dimensions: Overall: 86 1/4 × 24 13/16 × 11 13/16 in. (219 × 63 × 30 cm)
Classification: Horology
Credit line: Purchase, Acquisitions Fund, and Annette de la Renta, Mercedes T. Bass, Beatrice Stern, Susan Weber, William Lie Zeckendorf, Alexis Gregory, and John and Susan Gutfreund Gifts, in honor of Mrs. Charles Wrightsman, 2015
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY