Title: Bass saxtuba in E-flat
Object type: Bass saxtuba in E-flat
Date: 1855
Culture: French
Artist:  Adolphe (Antoine Joseph) Sax 
Artist bio: Belgian, Dinant, Belgium 1814–1894 Paris
Artist nationality: Belgian, active France
Artist role: Maker
Medium: brass
Dimensions: 51 × 36 1/2 × 12 1/2 in. (129.5 × 92.7 × 31.8 cm)
Classification: Aerophone-Lip Vibrated-horn
Credit line: The Crosby Brown Collection of Musical Instruments, 1889
Geography:  Paris   France      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY