Technical description: Cocus wood with german silver ferrules and keywork; two sections, barrel, bell and mouthpiece. Simple system with patent C sharp. Tuning barrel in two sections with metal liner. Upper section: tone-hole for the speaker on the front of the instrument, chimney. Thumb rest of German silver. L0: T; speaker. L1: T; throat A?. L2: T; throat A?. L3: T; cross 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 + spectacle. R3: T + spectacle (forked B?3/F?5); cross B?3/F?5. R4: G?3/E?5; F3/C5. Keymount type: pillars. Keyhead type: modern. Repair History: Mouthpiece a replacement; the original barrel replaced with Quilter's tunable barrel; the upper part of each section cracked and repaired by pinning.