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Valve trumpet.

Technical description: Silver-plated brass; French bell rim; tuning-slide in large bow pulling towards player. 1st and 2nd valve tuning-slides with wide bows. With (473a) shank for F and (473b) crook for E? and alternative main tuning-slides for high and low pitch. Finger hook for R4. Water-key on small bow. Fitting for music-card holder.; Nominal pitch: F / E?.; Type or system: 3 valves.; ; ; ; Usable pitch: Probably built for use at circa A?=|440|Hz.;

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  • Inscriptions:Stamped on bell "GOLD MEDAL / PARIS 1878" / six-pointed star / "C.|MAHILLON & CO. / LONDON / MADE AT THEIR / BRUSSELS / WORKS" / six-pointed star; below the inscription is an applied metal shield with a blue enamel stag's head in a red enamel background below which in gothic letters "ACN".
  • 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 580; bell 113.; Sounding length: ; Bore: mouthpipe at c|45mm from mouthpiece receiver (minimum bore) 10.05 (F|shank), 10.95 (E?|crook); valve cluster from 225mm to 340mm from mouthpiece receiver (with F|shank), v.t.s. bore (1,2,3) 10.95; at 887mm from bell end, c|11.05; main tuning-slide from 980mm to 1363mm from mouthpiece receiver (with F|shank), m.t.s. bore 11.15 - 12.0; at c|278mm from bell end, 15.6; at 15.5mm from bell end, 68.B|=|0.73 (with shank for F), B|=|0.81 (with crook for E?).Bell cutoff |1500|Hz.Dia of mouthpiece receiver: m.r.t. of F shank 11.15 - 10.55; E? crook 11.0 - 10.95.