Clarinet. Nominal pitch: B♭.

Technical description: Boxwood with horn ferrules and brass keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. All keys mounted in blocks, except G♯₃/E♭₅ between screwed in pillars. Horn thumb rest. Raised thumb hole. Wide typical Viennese integral wooden bell rim. L0: T; speaker. L1: T; throat A♮; throat A♭. L2: T. L3: T; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; side trill key for throat A-B♮ and B♭-C. R2: T. R3: T; B♭₃/F♮₅; side B♮₃/F♯₅. R4: T; G♯₃/E♭₅. Keymount type: blocks, screwed in pillars with push pins. Keyhead type: shallow cup.