Technical description: Boxwood with ivory ferrules and brass keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Mouthpiece: dark wood; socket type with ivory ferrule and eleven grooves for the cord. Barrel waisted; tenon for the mouthpiece, wide flat ivory ferrule, because barrel contains brass tuning slide.
Upper section: top ornamented with a groove; speaker liner projects into centre of bore.
Lower section: Wood's Patent (1819) linkage on L4 E₃/B♮₄ and F♯₃/C♯₅ keys to ease sliding between them. These keys in saddles. Levers for L4, tone-hole and key for R4 mounted in a bell-shaped swelling. Wide ivory ferrule, no thumb rest.
L0: T; speaker.
L1: T; throat A♮.
L4: Wood's patent E₃/B♮₄; F♯₃/C♯₅.
R1: T; trill key for throat A-B♮.
R4: T; G♯₃/E♭₅.
Keymount type: blocks, saddles, swelling.
Keyhead type: flat square.
Mouthpiece and ferrule cracked and tip broken. Small damage of upper section at the tenon.
r. neil, 1986; t.k. dibley, 1992; h. fricke, july 2005.
583 to damaged top of mouthpiece; 528 to tenon of barrel.