Clarinet. Nominal pitch: B♭.

Technical description: Blackwood with richly decorated german silver keywork and ferrules. Five pieces: mouthpiece, barrel, upper section, lower section, bell. R1 alternative touchpiece on C♯₄/G♯₅ and L4 alternative G♯₃/E♭₅ lever and thumb alternate E₃/F₃. Also L3 F₄/C₆. Tube in thumb-hole. Ingenious adjustable keywork action. Shaped thumb rest. Patent Csharp mechanism. 16keys, 2rings, 4rollers. L0: T; speaker. L1: T; throat A♮; throat A♭. L2: T. L3: T; E♭₄/B♭₅, F₄/C₆. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative G♯₃/E♭₅. R1: T; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat A-B♮ and B♭-C; side trill key for throat G*Sharp-A or C₆-D₆; alternative touchpiece on C♯₄/G♯₅. R2: T + spectacle. R3: T + spectacle; B♭₃/F♮₅. R4: F₃/C₅; G♯₃/E♭₅. Keymount type: pillars with pins. Keyhead type: shallow cups. Repair History: The mouthpiece is a replacement. The barrel is a replacement.