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Valve trumpet.

Technical description: Silver-plated brass, French bell rim; main tuning-slide in large bow (pulling towards player). 1st and 3rd valve tuning-slides with wide bows. With water-key; with hook for R4. With shank (475a) for F, crooks for (475b) E, (475c) E?, and (475d) D.; Nominal pitch: F etc.; ; ; ; ; ;

  • Measurements:Overall size: from plane of bell to bow proximal 547; bell 114.; Sounding length: minimum (with F|shank) 1712; overall lengths of F|shank 101, E|crook 227, E?|crook 313, D|crook 470.; Bore: mouthpipe (minimum bore) F|shank 10.8, E|crook 11.3, E?|crook 11.05, D|crook 11.0; valve cluster from 231mm to 343mm from mouthpiece receiver (with F|shank), v.t.s. bore (1,2,3) 10.95; main tuning-slide from 990mm to 1302mm from mouthpiece receiver (with F|shank), m.t.s bores 10.95 - 11.65; at c|280mm from bell end, 15.45.at 18.5mm from bell end, 66.Bell cutoff |1300|Hz.Dia of mouthpiece receiver: m.r.t. 11.15 - 10.95 (F|shank); m.r.t. 10.9 not tapering (E, E? and D crooks).