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Valve trumpet.

Technical description: Brass with german silver mouthpiece receiver sheath and outer slides. Spun bell flare attached to bell pipe by a circumferential seam; French bell rim. Main tuning-slide in bell bow (pulling towards player) with nut on screwed rod restraint (maximum pull allowed by nut 48.5mm adding 97mm to sounding length. Intonation slide on bow between mouthpipe and valves operated by sprung trigger for L1 (maximum pull allowed by trigger 20mm adding 40mm to sounding length. Water keys on intonation slide and 3th valve slide; hook for R4. Built in G with intended crooks down to F and E.; Nominal pitch: 5½-ft G etc.; ; ; ; ; Usable pitch: Probably built for use at circa A?=|446|Hz.;

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  • Inscriptions:Embossed on applied plaque on the bell "WEBB / LONDON"; inscribed on valve casings "1", "2", "3"; laterally on 2nd valve casing "34994".
  • Hornbostel-Sachs category:423.233.1 Valve trumpets with short air column (less than 2 m)
  • Repository:Royal Conservatoire of Scotland
  • Measurements:Overall size: from plane of bell to bow proximal 623; bell 132.; Sounding length: minimum 1558.; Bore: mouthpipe at c|55mm from mouthpiece receiver (minimum bore) 9.0; intonation slide from 266mm to 612mm from mouthpiece receiver, bores 11.95 valve cluster from 612mm to 739mm from mouthpiece receiver, v.t.s. bore (3,2,1) 11.95; main tuning-slide from 739mm to 1105mm from mouthpiece receiver, m.t.s bores 11.95; at c|295mm from bell end, 16.9; at 17.5mm from bell end, 67.5.B|=|0.61.Bell cutoff |1300|Hz.Dia of mouthpiece receiver: m.r.t. 11.4 - 10.65.