Clarinet. Nominal pitch: A.

Technical description: Blackwood with german silver ferrules and keywork.Five pieces: mouthpiece, barrel, upper section. lower section, bell. Socket of lower section strengthened with a wide german silver sleeve. Alternative R1 touchpiece for C♯₄/G♯₅. R0 E₃/F₃ correction vent. End-pivoted F₃/C₅. 17keys; 6rings. Not full Oehler system. L0: T; speaker corresponding with first ring. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring + vent; alternative cross key for F₄/C₆. L3: T + ring; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅. R0: E₃/F₃ correction vent. 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; alternative touchpiece for C♯₄/G♯₅ trill. R2: T + ring + vent corresponding with third ring. R3: T + ring (forked B♭₃/F♮₅); cross key for B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: pillars, Keyhead type: modern