Clarinet, Nominal pitch: A.

Technical description: Boxwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Black plastic mouthpiece with a silver lay not named but appears to be an authentic Munich one, contemporary with the instruments. Sharing the mouthpiece with (5185). Additional L3 F₄/C₆. Alternative R1 touchpiece for C♯₄/G♯₅. Sockets are lined with german silver. End pivoted F₃/C₅. Additional RH thumb lever for F♯₃/C♯₅. Forked B♭₃/F♮₅ vent just under G♯₃/E♭₅key. 18keys, 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, alternative side F₄/C₆. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅. R0: F♯₃/C♯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: Overhauled.