Technical description: Rosewood with nickel plated german silver ferrules and keywork. Four pieces: mouthpiece [a replacement], barrel, one-piece body, bell. Unstamped cocus wood mouthpiece, marked for a ligature, presumably not original. Zig-zag speaker with chimney on front of the instrument. German silver tube in thumb-hole. Brille on upper section with vent between L1 and L2. Pupeschi-style articulated C♯₄/G♯₅. Opened by L4 levers for E₃/B♮₄ and F♯₃/C♯₅ and F₃/C₅. Closed by R1 ring. C sharp mechanism. Traces of a music card holder. 14 keys, 5 rings, 4 black rollers.
L0: T + ring; speaker.
L1: T + ring + vent; throat A♮; throat A♭.
L2: T + ring + vent.
L3: T; E♭₄/B♭₅.
L4: E₃/B♮₄; F♯₃/C♯₅; alternative lever for F₃/C₅.
R1: T + ring + vent; side F₄/C₆; side E♭₄/B♭₅; side trill 1-2.
R2: T + ring + vent.
R3: T + ring (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.
Inscribed on barrel and bell (in oval cartouche) "C.G.CONN / ELKHART / INDIANA".