Technical description: Nickel-plated brass; French belll rim. In E-flat alto without tuning-slide extension; the bore profile differs from that of the F alto. With fitting for music-card holder; no water-key. Valve type: 3 Périnet valves, bottom-sprung with alignment by key on piston.
Measurements
parallel to valves from level of highest point on bell to lowest point on bow, 400; bell 138.
