Technical description: Blackwood with nickel plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Named mouthpiece, grooved for cord, does not fit. Nearly full Oehler system, but no E₃/F₃ improvement. Alternative touchpiece for C♯₄/G♯₅. C sharp mechanism not disconnectable. 17 keys, 5 rings, 1 plate, 4 black 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 B♭₃/F₅; 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.
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.
Playing accessories: two barrels.
With one case with (4737).
A pair with (4737).
h. fricke, oct-dec 2006.
631, 701 with mouthpiece.
purchased in Prague.; Bequest of Sir Nicholas Shackleton, 2006.