Bass clarinet. Nominal pitch: B♭.

Technical description: Blackwood with german silver keywork, ferrules, crook and brass bell. Five pieces: mouthpiece, crook, upper section, lower section, upturned bell. Ebonite mouthpiece with a long table; with ligature. Goose-neck crook of german silver with chimney and tone-hole for one of the two speakers. Liner does not project into bore.Upper section: Two speakers, one to overblow at the crook, one on body for throat B?. Chimney on upper section does not project into bore.All tone-holes covered. Two sling-rings (one on each section) and shaped thumbrest on lower section. Extension to E?. Key head and tone-hole for the lowest note on bell. L0: Plate + vent F?/C??; speaker1; speaker2. L1: Plate + vent F??; throatA?; throatA?. L2: Plate + E??/ B?? correspondence. L3: Plate; cross E??/ B??. L4: C??/G??; F?/C??; E?/B??; F??/C??. R1: Plate; B? via correspondence; trills 1-2-3. R2: Plate B??/F??; B? via correspondence. R3: Plate B??/F??; B? via correspondence; cross B??/F??. R4: G??/E??; E?/B??; F?/C??; F??/C??; E??. Keymount type: pillars. Keyhead type: modern. Repair History: Originally compass to E?, the lower section has been extended at the bottom with an extra piece of wood with one key-hole and the keywork modified.Technical description: Blackwood with german silver keywork, ferrules, crook and brass bell. Five pieces: mouthpiece, crook, upper section, lower section, upturned bell. Ebonite mouthpiece with a long table; with ligature. Goose-neck crook of german silver with chimney and tone-hole for one of the two speakers. Liner does not project into bore.Upper section: Two speakers, one to overblow at the crook, one on body for throat B♭. Chimney on upper section does not project into bore.All tone-holes covered. Two sling-rings (one on each section) and shaped thumbrest on lower section. Extension to E♭. Key head and tone-hole for the lowest note on bell. L0: Plate + vent F₃/C♮₅; speaker1; speaker2. L1: Plate + vent F♯₃; throatA♮; throatA♭. L2: Plate + E♭₃/ B♭₄ correspondence. L3: Plate; cross E♭₃/ B♭₄. L4: C♯₃/G♯₄; F₂/C♮₄; E₂/B♮₃; F♯₂/C♯₄. R1: Plate; B♭ via correspondence; trills 1-2-3. R2: Plate B♮₂/F♯₄; B♭ via correspondence. R3: Plate B♮₂/F♯₄; B♭ via correspondence; cross B♮₂/F♯₄. R4: G♯₂/E♭₄; E₂/B♮₃; F₂/C♮₄; F♯₂/C♯₄; E♭₂. Keymount type: pillars. Keyhead type: modern. Repair History: Originally compass to E♮, the lower section has been extended at the bottom with an extra piece of wood with one key-hole and the keywork modified.