Transverse flute in B-flat (A-flat)

Side-blown flute made of cocus wood in two sections (head and body), with nickel-silver ferrules and keywork. It has four flat, round-cover keys, mounted with pivots in protruded wooden knobs and lower bulge, with flat springs attached to keys. It has an wooden cap with cork stopper, an oval embouchure hole, and the tenon is wrapped in thread. Nominal pitch: A-flat.