Clarinet. Nominal pitch: B♭.

Technical description: Blackwood with german silver ferrules and keywork. Four pieces: Original ebonite mouthpiece, barrel, one piece body, bell. Upper tenon strengthened with german silver. Articulated C♯₄/G♯₅. Curved speaker; speaker-hole at the front of the instrument, chimney. German silver tube in thumb-hole. 15 keys, 6 rings, 4 rollers. L0: T; speaker. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring + vent. L3: T + ring; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅. R1: T + ring + vent; side F₄/ C₆; side E♭₄/B♭₅; side trill key for throat G-A or C₆-D₆; side trill for throat A-B♮ and B♭-C. R2: T + ring + G♯. R3: T + ring (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.