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Valve trumpet
Nominal pitch: B?. Technical description: Silver-plated brass; French bell rim; main tuning-slide extended by H-piece; mobile 3rd valve tuning-slide operated by adjustable finger-ring. With two water-keys. Valve type: 3 Périnet valves, top-sprung with alignment by spider. Usable pitch: Built for use at A?=|439|Hz with tuning-slide extension inserted.
- Date:
Circa 1936 - Maker:
Besson & Co [Corporation] - Collection:
Royal Conservatoire of Scotland - Inventory number:
Loading... - Place of production:
London (Timezone: Europe/London) - Hornbostel-Sachs classification:423.233.1 Valve trumpets with short air column (less than 2 m)
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- Decorative elements:Restrained art-deco engraving sourrounding bell inscription.
- Inscriptions:Stamped on bell "British Plated / CLASS / A / PROTEANO / L.P." / "50 MEDALS OF HONOUR" within banner / monogram FB / "BESSON & Co. / ``Prototype'' / LONDON / ENGLAND" / five-pointed star / "British Throughout"; on side of valve casings, top caps, bottom caps and spring capsules "16", "17", "18"; also on 2nd valve casing "BESSON & CO." / five-pointed star / "BREVETE", all within ellipse / "128627".
- 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 480; bell 118. Sounding length: minimum 1251, tuning-slide extension adds a minimum of 80. Bore: mouthpipe at c|22mm from mouthpiece receiver (minimum bore) 9.3; main tuning-slide from 215mm to 477mm from mouthpiece receiver, m.t.s bore 11.0; valve cluster from 512mm to 602mm from mouthpiece receiver, v.t.s. bore 3,2,1) 11.0; at c|281mm from bell end, 15.55; at 18.5mm from bell end, 64.B|=|0.63.Bell cutoff |1500|Hz.Dia of mouthpiece receiver: m.r.t. 11.25 - 10.15.