DescriptionTechnical description: Brass, bell-forward wrap. Valve type: 4 Périnet valves.
Serial number: 3430 (4th valve cap); 390 (bell rim).
Overall size: 425; bell 171.
Sounding length: with postulated shank for F with effective length 90mm, minimum 1720.
Bore: mouthpipe at c 30mm from mouthpiece receiver (minimum bore) 9.5; centre of valve cluster at c 368mm from mouthpiece receiver, v.t.s. bore (4,3,2,1) 11.3; m.t.s. at c 451mm from mouthpiece receiver, tuning slide bores 12.1 12.6; at 974mm from bell end, c 13.2; at c 530mm from bell end, 18.65. B (in F) = 0.55.
Dia of mouthpiece receiver: m.r.t. 10.5 .
Inscribed on bell "MEDAILLE / DE / 1RE CLASSE / EXPOSITION / UNIVERSELLE / 1855" in circle and "Médaille / LONDRES 1862 / Exposition Universelle / PARIS 1867 / Médaille d'Honneur / EN ARGENT / ANTOINE COURTOIS / Breveté / FACTEUR DU CONSERVATOIRE NATIONAL / 88, rue des Marais St Martin / Paris / 1ER PRIX / GRANDE MÉDAILLE D'OR / EXPOSITION DE MOSCOU / 1872 / S. ARTHUR CHAPPELL / Sole Agent / 52 New Bond Street / London". Inscribed on bell rim "390"; Stamped inside 4th valve top cap "3430". |