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. Metal tube in thumb-hole. Throat A♭ in integral ring and C♯₄/G♯₅ between pillars on plate indicate that these devices are a later addition. Wood recessed under throat A, but not under throat A♭. Compare with the 5-key clarinet of Jung in Leipzig (1490). Tuning hole in bell. Extendable L4 levers. 7keys. L0: T; speaker. L1: T; throat A♮, 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, pillar and saddle, swelling. Keyhead type: flat square. Repair History: The cocus wood mouthpiece is a replacement.