Title: Valve Trumpet in B-flat
Object type: Valve Trumpet in B-flat
Date: 1862–65
Culture: American
Artist:  David C. Hall 
Artist bio: American, Lyme, New Hampshire 1822–1900 Boston
Artist nationality: American
Artist role: Manufacturer
Medium: Brass
Dimensions: 6 11/16 × 4 3/4 × 16 15/16 in. (17 × 12 × 43 cm)
Classification: Aerophone-Lip Vibrated-trumpet / trombone
Credit line: Purchase, Robert Alonzo Lehman Bequest, 2004
Geography:  Boston Massachusetts  United States      
Department: Musical Instruments
Repository: Metropolitan Museum of Art, New York, NY