Title: Nécessaire
Object type: Nécessaire
Date: mid-18th century
Artist: Watchmaker: Joseph Martineau, Sr. 
Artist bio: active London, 1744–1794
Artist role: Maker
Medium: Gold, agate; white enamel; implements of various materials including ivory, steel, tortiseshell, hair
Dimensions: Overall: 3 1/4 × 4 1/4 × 3 1/8 in. (8.3 × 10.8 × 7.9 cm)
Classification: Metalwork-Gold and Platinum
Credit line: Gift of Admiral F. R. Harris, in memory of his wife, Dena Sperry Harris, 1946
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY