Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Zig-zag speaker, corresponding with first ring, with chimney on left side of the instrument. Adjusting screws on speaker connection. Alternative touchpiece for C♯₄/G♯₅. C sharp mechanism. Lower section strengthened with a wide german silver sleeve. Metal thumb rest. 14 keys, 5 rings, 4 ebonite rollers.
L0: T; speaker corresponding with first ring.
L1: T + ring + vent; throat A♮; throat A♭.
L2: T + ring + vent.
L3: T + ring; E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅.
R1: T; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat G♯-A or C₆-D₆; side trill for throat A-B♮ and B♭-C; alternative touchpiece for C♯₄/G♯₅.
R2: T + ring + vent.
R3: T + ring (forked B♭₃/F♮₅); cross B♭₃/F♮₅.
R4: G♯₃/E♭₅; F₃/C₅.
Keymount type: screwed in pillars.
Keyhead type: modern.
Repair History: Restored for Alan Hacker by John Stewart.
h. fricke, oct-dec 2006.
ex- Alan Hacker.; Bequest of Sir Nicholas Shackleton, 2006.