Clarinet. Nominal pitch: B♭.

Technical description: Rosewood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Sharing original named mouthpiece marked for a ligature with the set. Curved speaker key with chimney on front of instrument. Long throat A♭ key indicates British fingering. Ring for L2 corresponding to vent: R1 lever for E♭₄/B♭₅ can also be used as a side lever for F₄/C₆ like the Barret action. Csharp mechanism. 12keys, 3rings, 4rollers. L0: T; speaker. L1: T; throat A♮. L2: T+ ring + vent; throat A♭. L3: T; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; side E♭₄/B♭₅ lever corresponding with 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.