Clarinet. Nominal pitch: B♭.

Technical description: Boxwood with ivory ferrules and brass keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Brass tube in thumb-hole. Adjustable thumb rest. Flat rings mounted with pillars which are screwed into the wood in opposite to the other keywork which is mounted on oval plates. 12keys, 2rings. L0: T; speaker. L1: T; throat A♮; throat A♭. L2: T. L3: T; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; side F₄/C₆; side trill key for throat A-B♮ and B♭-C. R2: T + ring + vent. R3: T + ring; cross B♭₃/F♮₅. R4: F₃/C₅; G♯₃/E♭₅. Keymount type: pillars and plates. Keyhead type: shallow cups.