Clarinet. Nominal pitch: B♭.

Technical description: Black lacquered boxwood with silver plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Mouthpiece of cocus wood, grooved for cord. B♭ mechanism operated from thumb plate: two tone-holes are opened by speaker key, one closed by thumb plate, when depressed to overblow. Additional L2key to improve F♯₄. Vent just under L3, operated by ring. Disconnectable articulated C♯₄/G♯₅, opened by L4, closed by R1. Plate for R1 and R3. Vent hole in bell. Joint between sections german silver lined. 18keys, 4rings, 3plates, 4black rollers. L0: Plate + vent; speaker corresponding also with this vent. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring + vent; alternative cross key for F₄/C₆, vent key for F♯₄. L3: T + ring; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for B♭₃/F₅; alternative lever for G♯₃/E♭₅. R1: Plate + correspondence; 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 + vents. R3: Plate + vent (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: screwed in pillars. Keyhead type: modern. Repair History: The mouthpiece is a replacement by Uebel.