Clarinet. Nominal pitch: B♭.

Technical description: Ebonite with german silver ferrules and keywork. Four pieces: mouthpiece, barrel, one-piece body, bell. Straight speaker. Long tailed throat A♭ key indicates that the instrument was made for the British market. Barret action. Articulated C♯₄/G♯₅ opened by L4 and L4 lever for F₃/C₅, closed by R1ring. Plate on R2 to avoid finger spacing operating a vent just below R4 F♯₃/C♯₅. Boehm keys for R4 and L4. 16keys, 4rings, 1plate. L0: T; speaker. L1: T; throat A♮. L2: T + ring; throat A♭. L3: T + ring; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; F₃/C₅. R1: T + ring; Barret action (F₄/C₆; E♭₄/B♭₅); side trill key 1-2. R2: Plate. R3: T + ring (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅; E₃/B♮₄; F♯₃/C♯₅. Keymount type: screwed in pillars. Keyhead type: modern.