Bombardon. Nominal pitch: 13-ft E♭.
Technical description: Silver-plated brass. 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. Repair History: Main tuning-slide has been extended to lower pitch from A₄=452.4Hz to A₄=440Hz.