Title: Tenor Valve Trombone in B-flat
Object type: Tenor Valve Trombone in B-flat
Date: ca. 1870
Culture: Italian
Artist:  Pietro Borsari 
Artist bio: active late 19th century
Artist nationality: Italian
Artist role: Maker
Medium: brass, nickel-silver
Dimensions: 31 1/16 × 7 × 10 1/2 in. (78.8 × 17.8 × 26.7 cm)
Diameter (Of bell): 7 3/4 in. (19.7 cm)
Classification: Aerophone-Lip Vibrated-trumpet / trombone
Credit line: The Crosby Brown Collection of Musical Instruments, 1889
Geography:  Bologna   Italy      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY