Euphonium. Nominal pitch: B♭.
Technical description: brass; water-key on m.t.s.; fitting for music card holder.3-valve compensating system: 3rd valve brings loop into windway which passes through 1st and 2nd valves, these have short additional loops which are brought into the windway when used in combination with the third valve. Valve type: 3 Périnet-type valves, bottom sprung; alignment by key on piston.