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Euphonium in B-flat

This is a double-coiled, upright-bell euphonium made entirely of silver-plated brass, with a wide and conical bore, and four piston valves that make a four-valve compensating system (i.e. each of the main valves have two windway loops and the fourth valve brings its loop into the windway by passing through the three other valves; when used in combination, the main valves use the shorter loops for the windway). There are two water-keys: one on the first valve tuning slide, and the second on the main tuning slide. There is a fake bow tube just behind the pistons for the player's grip. The second and third valve tuning slides have a pull ring, and there's a latch for holding the fourth valve depressed. There's also a silver-plated mouthpiece. Nominal pitch: B-flat. This instrument is a British Army Pattern no. 6615.

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  • Inscriptions:Stamped on bell: Besson, class A standard LP, AP6615|Stamped on valve casings: 1 2 3
  • Hornbostel-Sachs category:423.231.2 Valve bugles with wide bore
  • Repository:National Museum of the Royal Navy
  • Measurements:Height: 660mm; Bell diameter: 285mm