Technical description: Blackwood with silver plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Speaker with a small chimney on the left side of the instrument. Low E?3. Integral wooden bell rim. 19 keys, 6 rings. L0: T + ring F4/C?6; speaker. L1: T + ring F?4; throat A?; throat A?. L2: T + E?4/B?5 corresponding ring. L3: T; cross E?4/B?5. L4: C?4/G?5; F3/C?5; E3/B?4; F?3/C?5; G?3/E?5. R1: T + ring B?3/F?5 via correspondence; side E?4/B?5; side F?4/C?6; trills 1-2. R2: T + ring B?3/F?5 via correspondence. R3: T + ring B?3/F?5 via correspondence; cross B?3/F?5. R4: G?3/E?5; E3/B?4; F3/C?5; F?3/C?5; E?3. Keymount type: screwed in pillars. Keyhead type: modern.