Lower section of a clarinet. Nominal pitch: B♭.

Technical description: Stained boxwood with an ivory ferrule and brass keywork. Lower section of a clarinet in B?. No correspondence to upper section. Brass thumb rest. 8keys, 2rings. L4: F?/C??; E?/B??; F??/C??. R1: T. R2: T + ring. R3: T + ring; cross B??/F??. R4: G??/E??; E?/B??; F?/C??; F??/C??. Keymount type: screwed in pillars. Keyhead type: shallow cup.Technical description: Stained boxwood with an ivory ferrule and brass keywork. Lower section of a clarinet in B♭. No correspondence to upper section. Brass thumb rest. 8keys, 2rings. L4: F₃/C♮₅; E₃/B♮₄; F♯₃/C♯₅. R1: T. R2: T + ring. R3: T + ring; cross B♮₃/F♯₅. R4: G♯₃/E♭₅; E₃/B♮₄; F₃/C♮₅; F♯₃/C♯₅. Keymount type: screwed in pillars. Keyhead type: shallow cup.