Alto clarinet. Nominal pitch: E♭.

Technical description: Blackwood with german silver ferrules and keywork, metal crook and metal bell. Five pieces: mouthpiece, crook, upper section, lower section, upturned bell. Unnamed cocus wood mouthpiece marked for a ligature, probably not original. Short crook with device for a music card holder. 2speakers: a long one to overblow, a short one to give an in-tune throat B♭. Plate on thumb-hole. Lowest tone-hole in bell. Csharp mechanism. 13keys, 3rings. 4covered tone-holes. L0: Plate; speaker 1; speaker 2. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring. L3: Plate; cross E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅. R1: Plate; side F₄/C₆; side trill key for throat A-B♮ and B♭-C. R2: T + ring + vent. R3: Plate (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.