Cocus Flute in C
4 section to foot to D, with extra foot to B-flat.
silver ferrules, keys, cap, & embouchure ferrule
pewter plug with metal lined D#
tuning slide in head.
6 or 10 keys, round key flaps, block-in-pin, pewter plug over square
metal plate for D#; extra B-flat foot with pewter plug over square plates,
and with rollers for C , B, B-flat.
Automatic cork & tuning slide adjustment device
(British Patent No. 6338).
At one time had 11th key, but extra lever for B-flat has been removed.