Technical description: Blackwood with german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. All tenons strengthened with german silver. Curved speaker, speaker chimney on the front of the instrument. Barret action, alternative L3/4 side lever for F₄/C₆, continental throat A♭ key; touchpiece for C♯₄/G♯₅ linked to L4 E₃/B₄ lever to enable legato; plate for R1; C sharp mechanism. Seems to reflect German influences. 14 keys, 4 rings, 1 plate.
L0: T; speaker.
L1: T; throat A♮; throat A♭.
L2: T + ring.
L3: T + ring; cross E♭₄/B♭₅; F₄/C₆.
L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅.
R1: Plate; Barret action for F₄/C₆ and E♭₄/B♭₅; side trill key for throat A-B♮ and B♭-C; side trill key for throat G♯-A or C₆-D₆; touchpiece for C♯₄/G♯₅.
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.
The mouthpiece is a replacement, not fitting ("Emperor").