Description3 valves.
Technical description: Brass. Valve type: 3 Périnet valves. Repair History: Legs of main tuning-slide lengthened to lower from Old Philharmonic pitch. Restored by the students of Musical Instrument Technology, Stevenson College, Edinburgh, 1986-7, valve touchpieces replaced.
Overall size: 850; bell 320.
Sounding length: minimum 4083.
Bore: mouthpipe at c 90mm from mouthpiece receiver (minimum bore) 12.7; m.t.s. at c 522mm from mouthpiece receiver, tuning slide bore 15.2; centre of valve cluster at c 1144mm from mouthpiece receiver, v.t.s. bore (1,2,3) 15.2; 2507mm from bell end, c 28.0; c 1577mm from bell end, 39.6. B = 0.44.
Dia of mouthpiece receiver: m.r.t. 14.2 - 13.2.
Inscribed on bell "31 MEDALS OF HONOUR" within banner / monogram FB / "F. BESSON / BREVETÉ / 198.EUSTON ROAD / LONDON" / five pointed star; on side of valve casings "1", "2", "3" / "BESSON / BREVETE" within ellipse / "30271".
Legs of main tuning slide lengthened to lower from Old Philharmonic pitch. Restored by the students of Musical Instrument Technology, Stevenson College, Edinburgh, 1986 7, valve touchpieces replaced.
Usable pitch: As modified, plays at A4 = 440 Hz. |