Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Enhanced Oehler system with several new features: Novel mechanism for the production of pure A₃/E₅, forked B♭₃/F₅, E♭₄/B♭₅ and forked F₄/C₆. Articulated C♯₄/G♯₅ in order to trill F♯₅-G♯₅ and to enable a legato from B₄ and C♯₅. Throat B♭-C♯₅ trill. Patent B♭ mechanism: automatic separate throat B♭ and speaker keys, intended to produce a clear throat B♭ and B₃ and a true E₃. Alternative R1 touchpiece for C♯₄/G♯₅. Patent C sharp mechanism. 17 keys, 6 rings, 1 plate, 4 black ebonite rollers.
L0: T; speaker.
L1: T + ring + vent; throat A♮; throat A♭.
L2: Plate + ring + vent (forked C₆).
L3: T + ring; cross E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for B♭₃/F₅; alternative lever for G♯₃/E♭₅.
R1: T + ring + vent; side F₄/C₆; side E♭₄/B♭₅; side trill 1-2-3; 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.
Keyhead type: modern.
Keymount type: screwed in pillars.
Previous ownership: ex- Günther Joppig collection.
h. fricke, oct-dec 2006.
692 with mouthpiece.
ex- Günther Joppig collection.; Bequest of Sir Nicholas Shackleton, 2006.