Title: Portable equatorial sundial
Object type: Portable equatorial sundial
Date: ca. 1721–26
Artist:  Johann Mathias Willebrand 
Artist bio: ca. 1658–1726
Artist role: Maker
Medium: Copper, water-gilt, silver
Dimensions: Overall: 3 3/4 × 3 1/16 in. (9.5 × 7.8 cm)
Classification: Horology
Credit line: Gift of Mrs. Stephen D. Tucker, 1903
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Sundials