Clarinet. Nominal pitch: B♭.

Technical description: Boxwood with brass ferrules and brass keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Brass lined thumb-hole. L3 F₄/C₆ and thumb F♯₃/C♯₅ levers missing. Does not have additional L4keys of full Baermann system. Alternative touchpiece for C♯₄/G♯₅. End pivoted F₃/C₅. Brass thumb rest. Integral bell ring. Push pins except screwed axles for spectacles. Corked joints. 17keys, 4rings. 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; E♭₄/B♭₅; F₄/C₆. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R0: F♯₃/C♯₅. R1: T; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat G*Sharp-A or C₆-D₆; side trill for throat A-B♮ and B♭-C; alternative touchpiece for C♯₄/G♯₅. R2: T + spectacle. R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: pins in screwed in pillars. Keyhead type: shallow cup.