Title: Valve Trumpet in F
Object type: Valve Trumpet in F
Date: ca. 1842
Culture: British
Artist:  John Augustus Köhler 
Artist bio: British, London ca. 1810–1878 London
Artist nationality: British
Artist role: Maker
Medium: Brass
Dimensions: L. w/o m'piece:18.50 in.;  Diam. of bell: 4.50 in.;  Diam. of bore (within receiver): .437 in.
Classification: Aerophone-Lip Vibrated-trumpet / trombone
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