Technical description: Black varnished boxwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Unstamped mouthpiece with german silver rails and table. Plate on the thumb-hole connected with a vent in order to improve the intonation of throat F♯. Ingenious speaker mechanism. Alternative touchpiece for C♯₄/G♯₅. End pivoted F₃/C₅. 12 keys, 1 plate, 2 rings, 2 rollers.
L0: Plate; speaker.
L1: T; throat A♮; throat A♭.
L3: T; E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅.
R1: T; side F₄/C₆; side trill key for throat A-B♮ and B♭-C; alternative touchpiece C♯₄/G♯₅.
R2: T + spectacle.
R3: T + spectacle; side B♮₃/F♯₅.
R4: F₃/C₅; G♯₃/E♭₅.
Keymount type: screwed in pillars.
Keyhead type: shallow cups.
Playing accessories: reed, ligature ("A. WARREL / DEAL: KENT"), reed-cap.
H. Fricke, Oct-Dec 2006.
573; 641 with mouthpiece.
ex- Tom Dibley collection.; Bequest of Sir Nicholas Shackleton, 2006.