Clarinet. Nominal pitch: B♭.

Technical description: Stained boxwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Sharing original named blackwood mouthpiece (grooved for cord with silver lay) with (5296). Brille on upper section with vent just above R1. Additional L3 side F₄/C₆. Alternative R1 touchpiece for C♯₄/G♯₅. End pivoted F₃/C₅. Additional L4 lever for G♯₃/E♭₅. Joint between sections lined with german silver. German silver tube in thumb-hole. 17keys, 4rings, 4black rollers. L0: T; speaker. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring + vent; alternative cross key for F₄/C₆. L3: T; E♭₄/B♭₅; side F₄/C₆. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅. R1: T; 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. R2: T + ring + vent. R3: T + ring (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: screwed in pillars with push-pins. Keyhead type: modern. Repair History: The barrel is a replacement.