Technical description: Blackwood with silver plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Most features of full Oehler system, but no plate for R2, only 3 L4 levers, and fixed C sharp mechanism. Zig-zag speaker with chimney on right side of the instrument. German silver tube in thumb-hole. All tenons lined with german silver. 16 keys, 6 rings, 4 ebonite rollers.
L0: T; speaker corresponding with first ring.
L1: T + ring + vent; throat A♮; throat A♭.
L2: T + ring + vent; alternative cross key for F₄/C₆.
L3: T + ring; E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for G♯₃/E♭₅.
R1: T + ring + vent; 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.
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.
h. fricke, oct-dec 2006.
Die Holzbläser (shop), Berlin.; Bequest of Sir Nicholas Shackleton, 2006.