Clarinet. Nominal pitch: A.

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. Turned guide lines in upper rings. Sixth key, C♯₄/G♯₅, in saddle. SATB except the C♯₄/G♯₅key. Extendable levers for L4, tone-hole and key for R4 mounted in a fusiform swelling. Ingenious brass guiding of E₃/B♮₄ lever. 5trapezoidal keys, 1square. L0: T; speaker. L1: T; throat A♮. L2: T. L3: T. L4: C♯₄/G♯₅; 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, saddle. Keyhead type: flat square. Repair History: The C♯₄/G♯₅key is probably a later addition.