Cornet.

Bore: main tuning-slide, m.t.s bores 11.5 - 11.65; valve cluster, v.t.s. bore (3,2,1) 11.75; Technical description: Silver-plated brass, 'shepherd's crook' bellpipe; French bell rim. Main tuning-slide with moving proximal outer and distal inner. Two water-keys, before and after main tuning-slide, with single touchpiece mounted on a bridge with a leaf spring attached to touchpiece and running in a …