Technical description: Varnished rosewood with german silver ferrules and keywork. Four pieces: mouthpiece, upper section, lower section, bell. Cylindrical bore. No thumb-hole. Speaker key and separate lever for throat B♭. Additional R0 lever giving E♭₃. Shaped thumb rest. 10 vent holes in bell. 13 keys, 2 rings, 2 black ebonite rollers.
L0: Speaker; B♭.
L1: T; A♮.
L3: T; cross E♭.
L4: C♯₄; E; low F♯.
R0: low B♭.
R1: T; side F; side E♭.
R2: T + spectacle.
R3: T + spectacle (forked B♭); cross B♭.
R4: G♯; F.
Keymount type: screwed in pillars with pins.
Keyhead type: modern.
Inscription: on all pieces with S (in large crowned wreath) / "STOWASSER" / triangle / "BUDAPEST / TORV VED / 19865".
Current ownership: Bequest of Sir Nicholas Shackleton, 2006.
Sir Nicholas Shackleton Collection.