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Technical description: Brass, single gusset in bell; wide flat wire bead on bell rim underside. Three bow guards on large bow, one bow guard from ferrule to small bow mid. With water-key on main tuning-slide and with fitting for music-card holder on 1st valve tuning-slide. With ring for carriage strap.; Nominal pitch: E?.; Type or system: 3 valves.; ; ; ; Usable pitch: Probably modified for use at circa A?=|439|Hz.;

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  • Inscriptions:Stamped on bell with elaborate trade mark incorporating the dome of St Paul's Cathedral, two natural trumpets, and the words "REGISTERED", "TRADE MARK", and "ESTD. 1795"; then stamped below "Prize Medals"; then below as an ellipse "BY APPOINTMENT TO THE / WAR & INDIAN OFFICES" with inside "CONTRACTORS & MANUFACTURERS"; then below "HENRY KEAT & SONS / 105 & 103 / MATTHIAS RD. / STOKE NEWINGTON / LONDON / N"; stamped on second valve "2 / R" and at back "A / B / G".
  • Hornbostel-Sachs category:423.231.2 Valve bugles with wide bore
  • Repository:Royal Conservatoire of Scotland
  • Measurements:Overall size: from plane of bell to bow guard flange 750; bell 321.; Sounding length: minimum 4122.; Bore: mouthpipe at c|25mm from mouthpiece receiver (minimum bore) 12.75; main tuning-slide from 250mm to 680mm from mouthpiece receiver, m.t.s bore 14.15; valve cluster from 800mm to 925mm from mouthpiece receiver, v.t.s. bore (1,2,3) 14.15; at 2061mm from bell end, c|24.8; at c|1312mm from bell end, 36.5.B|=|0.51.Dia of mouthpiece receiver: m.r.t. 13.25 - 12.8.