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Pocket trumpet.

Technical description: Nickel-plated brass; bell rim with bead wire soldered to rear. Two coils, with main tuning-slide in second bow, pulling towards player.; Nominal pitch: 4-ft C.; ; ; ; ; Usable pitch: Probably built for use at circa A?=|460|Hz.;

  • Measurements:Overall size: from plane of bell to 1st valve tuning-slide bow proximal 227; bell 90.; Sounding length: minimum 1149.; Bore: mouthpipe at 41mm from mouthpiece receiver (minimum bore) 10.35; valve cluster from 45mm to 148mm from mouthpiece receiver, v.t.s. bore (1,2,3) 10.8; main tuning-slide from 270mm to 551mm from mouthpiece receiver, m.t.s bore 10.8; at 570mm from bell end, c|11.45; at c|266mm from bell end, 16.2; at 7mm from bell end, 73.B|=|0.71.Dia of mouthpiece receiver: m.r.t. 11.15 - 10.8 over 10mm.