Technical description: Black wood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Orsi's patent simple system convertible from B♭ to A. The instrument has a metal lining inside of the bore. Three screws for fixing three tuning slides between barrel and upper section, upper section and lower section, lower section and bell. Curved speaker. Double chimney. Long tailed throat A♭ is to be played with L1 and L2 alternatively. Patent C sharp mechanism. 14 keys, 2 rings.
L0: T; speaker.
L1: T; throat A♮; (throat A♭).
L2: T; throat A♭.
L3: T; cross E♭₄/B♭₅.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅.
R1: T; alternative side E♭₄/B♭₅; side F₄/C₆; side trill key for throat A-B♮ and B♭-C; side trill key for throat G*Sharp-A or C₆-D₆.
R2: T + spectacle.
R3: T + spectacle (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.
Upper section cracked; some keys scratched.
The mouthpiece is a replacement.
Previous ownership: ex- Tom Dibley collection.
H. Fricke, Oct-Dec 2006.
596; 669 with mouthpiece.
ex- Tom Dibley collection.; Bequest of Sir Nicholas Shackleton, 2006.