Clarinet. Nominal pitch: B♭.

Technical description: Boxwood with ivory ferrules and brass keywork. Six pieces: mouthpiece, barrel, upper section, middle section for the fingers of the right hand, lower section with keys, bell. Levers for L4, tone-hole and key for R4 mounted in a fusiform swelling. Mouthpiece grooved for cord and strengthened with probably lead. L0, L1 and R4keys SATB. L0: T; speaker. L1: T; throat A♮. L2: T. L3: T. L4: E₃/B♮₄; F♯₃/C♯₅. R1: T. R2: T. R3: T. R4: T. G♯₃/E♭₅. Keymount type: turned wooden rings, swelling. Keyhead type: flat square.