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Trumpet.

Technical description: Lacquerd brass; with alternative main and valve tuning-slides for C and for B?; with sprung-return trigger on 1st valve tuning-slide; finger-ring on third valve tuning-slide; 1st and 3rd valve tuning-slides restrained by nuts on threaded rods; with water-key on main tuning-slides.; Nominal pitch: C|/|B?.; ; ; ; ; Usable pitch: Probably built for use at A?=|440|Hz.;

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  • Inscriptions:Stamped on bell "SYSTEME PROTOTYPE" within banner / monogram "FB" / F.|BESSON / BREVETÉ / S.G.D.G. / 96 RUE D'ANGOULEME / PARIS" / five-pointed star / "66 HAUTES RECOMPENSES / 6 GRANDS PRIX / HORS CONCOURS / MEMBER DU JURY"; on 2nd valve casing "F.|BESSON" / five-pointed star / "BTE. S.G.D.G" within ellipse / "94803"; on valve casing, top and bottom caps "7", "8", "9".
  • 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 mouthpiece receiver 490; bell 119.; Sounding length: minimum 1162 (in C); 1322 (in B?).; Bore: mouthpipe at c|40mm from mouthpiece receiver (minimum bore) 8.45; main tuning-slide from mm to mm from mouthpiece receiver, m.t.s bore 11.6; valve cluster from mm to mm from mouthpiece receiver, v.t.s. bore (3,2,1) 11.6; at 581mm from bell end, c|11.45; at c|309mm from bell end, 16.2; at 18mm from bell end, 67.5.B|=|0.56 (in|C); B|=|0.57 (in|B?).Bell cutoff |1400|Hz.Dia of mouthpiece receiver: m.r.t. 11.4 - 10.3.