Title: Symphonium
Object type: Symphonium
Date: ca. 1835
Culture: British
Artist:  Charles Wheatstone 
Artist bio: 1802–1875
Artist nationality: British
Artist role: Maker
Medium: nickel silver, ivory, brass, mother-of-pearl
Dimensions: 2 3/4 × 2 3/8 × 1 7/16 in. (7 × 6.1 × 3.7 cm)
Classification: Aerophone-Free Reed-mouth organ
Credit line: The Crosby Brown Collection of Musical Instruments, 1889
Geography:  London England  United Kingdom      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY