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. Extending L4keys. Although the 7keys not mounted in wood rings differ in style from those in the rings, Baumann probably supplied this as a 12-key instrument. L0: T; speaker. L1: T; throat A♮; throat A♭. L2: T. L3: T; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: T; side F₄/C₆; side trill key for throat A-B♮ and B♭-C. R2: T. R3: T; B♭₃/F♮₅; side B♮₃/F♯₅. R4: T; G♯₃/E♭₅. Keymount type: turned rings, saddles, pillars on plates, swelling. Keyhead type: flat square.