Clarinet. Nominal pitch: A.

Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Cocus wood mouthpiece not grooved for cord. All keys block mounted except spectacle, cross B♭₃/F♮₅ and G♯₃/E♭₅, which are mounted in keys pivoted on push pins. Additional lever for G♯₃/E♭₅. Raised tone-hole for R4. Integral wooden thumb rest. Wide german silver ferrules on lower section and bell. Wide typical Viennese style integral wooden ivory rim. 13keys, 2rings. 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; G♯₃/E♭₅. R1: T; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat A-B♮ and B♭-C. R2: T + spectacle. R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: T; G♯₃/E♭₅. Keymount type: blocks, screwed in pillars. Keyhead type: shallow cup.