Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Straight speaker; speaker liner projects almost to the centre of bore. No tube for thumb-hole. F-hole raised. Shaped thumb rest. Leaf springs attached to keys. 12 keys.
L0: T; speaker,
L1: T; throat A♮; throat A♭.
L3: T; cross 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.
R3: T; B♭₃/F♮₅; side B♮₃/F♯₅.
R4: T; G♯₃/E♭₅.
Keyhead type: shallow cups.
Keymount type: pinned in pillars
Inscribed on upper and lower section "CHAMAL / PRAG"; on bell "25 / crown / F. Ludwig / Martinika / A / 1".
Rims of barrel loose. Mouthpiece missing.
Repair History: Discontinuous bell with wide metal rim is a replacement.
H. Fricke, Oct-Dec 2006.
purchased in Prague.; Bequest of Sir Nicholas Shackleton, 2006.