Clarinet. Nominal pitch: B♭.

Technical description: Rosewood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Curved speaker with chimney on front of the instrument. Unusual mechanism for opening throat A♭ using any RH ring and closing it (articulated) by either of L1 or L2ring. Patent Csharp mechanism. Was 12keys, 5rings, now 10keys. L0: T; speaker [missing]. L1: T + ring; throat A♮. L2: T + ring; throat A♭. L3: T; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T + ring; side F₄/C₆; side trill key for throat A-B♮ and B♭-C. R2: T + spectacle. R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: screwed in pillars. Keyhead type: modern. Repair History: The bell is a replacement.