Clarinet. Nominal pitch: B♭.

Technical description: Boxwood with ivory ferrules and brass keys. Six pieces: mouthpiece, barrel, upper section, middle section with holes for the fingers of the right hand, lower section with keys, bell. Barrel waisted. Upper section: tone-hole for E♭₄/B♭₅ under the side lever for A-B♮ key. Speaker liner projects into bore. Middle section: Wide parabolic ivory ferrule, no thumbrest. Lower section: Levers for E₃/B♮₄ and F♯₃/C♯₅ mounted in a bell-shaped swelling; bevelled touchpiece for G♯/E♭. L0: T; speaker. L1: T; throatA♮. L2: T. L3: T; cross E♭₄/B♭₅. L4: E₃/B♮₄; zig-zag F♯₃/C♯₅. R1: T; trill key for throatA-B♮. R2: T; cross B♮₃/F♯₅. R3: T. R4: T; G♯₃/E♭₅. Keymount type: blocks, swelling. Keyhead type: flat square.