Technical description: Brass; valves 1-3 for right hand, 4-5 for left; 4th valve lower perfect 4th, fifth valve lowers wide semitone for use with 4th valve. With alternative main tuning-slides for use at high and low pitches. Valve type: 5 Périnet valves, alignment by key on piston, bottom-sprung.
Specific usage history: Played by Brenda Courtie c|1960 to c|2010; previously used by the tuba of the Royal Liverpool Philharmonic Orchestra as a practice instrument which he kept at home.
arnold myers (bore measurements) description, 10.2.18.