Technical description: Blackwood with silver plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Original named Oehler barrel, but marked "A". C sharp mechanism, but not disconnectable. F₃/E₃ correction vent on bell, operated by R0. Joint between sections lined with german silver. 18 keys, 6 rings.
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.
R0: F₃/C₆ correction vent.
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 + 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.
With a modern small black case with black plush. Also in case: cocus wood mouthpiece, black reed-cap, black cord, extra barrel marked "Richard Müller / Bremen".
Repair History: The barrel is a replacement.
h. fricke, oct-dec 2006.
purchased via eBay Germany.; Bequest of Sir Nicholas Shackleton, 2006.