This instrument might be associated with the Cyfarthfa Band, one of the greatest and oldest virtuoso nineteen-century brass bands, founded in 1838 by iron magnate Robert Thompson Crawshay. It is a bass tuba with an upright bell, made of brass with nickel silver trimmings and mechanisms. It has four rotary valves with clock-spring mechanism and brass mechanical linkages. It has one water-key located on main tuning slide. The second valve tuning slide has a pulling ring. There is also a lyre holder, two carrying strap ring plates, and a thumb holder ring plate. Nominal pitch: E-flat.
- Specific materials/techniques:
- Decorative elements:Engraved valve caps and rotor screw touches.
- Hornbostel-Sachs category:423.231.2 Valve bugles with wide bore
- Repository:Cyfarthfa Castle Museum
- Measurements:Length: 960mm; Bell diameter: 285mm; Bore at mouthpiece receiver: 14.3mm; Sounding length: 3980mm