Cornopean.

Technical description: Brass. With garland, finger-hook for R5. Main tuning-slide with moving proximal outer and distal inner slides. Valve tuning-slides with moving inner slides; 3rd valve tuning-slide with drooping loop. Clapper key. With B♭ shank with ears.; Nominal pitch: B♭ etc.; Type or system: Clapper-key.; Valve type: 3 Stölzel valves, alignment by key on spring capsule, wax partitions. Us…