Clarinet. Nominal pitch: B♭.

Technical description: Cocus wood with chased silver keywork and ferrules. Five pieces: mouthpiece [ebonite], barrel, upper section, lower section, bell. Keywork has Belgian silver hallmarks. Sax type with alternative B♭ for R1 and rollers on E♭ and C for R4, and C♯ and B for L4 touchpieces. No patent Csharp. Hinged C key. G hole in middle section tenon. Tuning slide in lower barrel socket. Chimney. L0: T; speaker. L1: T; throatA♮. L2: T; throatA♭. L3: T; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; alternative side E₃/B♮₄; side F₄/C₆; side trill key for throatA-B♮ and B♭-C. 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: pillars. Keyhead type: modern. Repair History: Mouthpiece a replacement.