Clarinet. Nominal pitch: A.

Technical description: Ebonite with nickel plated german silver ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Stamped ebonite mouthpiece presumably original and marked for a ligature. Curved speaker with a chimney on the front of the instrument. All tone-holes under rings raised and lined with german silver. Brille on upper section with vent at R1. Articulated C♯₄/G♯₅, activated by L4 (attached to the bascule key, correspondence also to F♯₃/C♯₅), closed by R1. Alternative F₃/C₅ for L4 also operating C♯₄/G♯₅. All these features should avoid gliding for L4. Csharp mechanism. 14keys, 5rings, 4black rollers. L0: T; speaker. L1: T + ring; throat A♮; throat A♭. L2: T + ring. L3: T; cross E♭₄/B♭₅. L4: E₃/B♮₄; F♯₃/C♯₅; F₃/C₅. R1: T + ring; side F₄/C₆; side E♭₄/B♭₅; side trill key 1-2. R2: T + spectacle. R3: T + spectacle (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: screwed in pillars. Keyhead type: modern.