Tuba. Nominal pitch: B♭.
Technical description: Silver-plated brass. 3rd valve tubing forms thumb rest. Windway runs mouthpipe - m.t.s. - 3 - 2 - 1 - auxiliary tuning-slide - bell. Water-key. Fitting for music card-holder. Similar overall design to (202), (2857) and (1793), but different bore profile. Valve type: 3 Périnet valves.