Title: Wheel barometer
Object type: Wheel barometer
Date: ca. 1770
Artist:  John Whitehurst 
Artist bio: British, 1713–1788
Artist nationality: British
Artist role: Maker
Medium: Mahogany
Dimensions: Overall: 37 1/2 × 14 × 2 in. (95.3 × 35.6 × 5.1 cm)
Classification: Scientific Instruments-Barometers and Thermometers
Credit line: Gift of Irwin Untermyer, 1964
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY