Description4-valve compensating.
Technical description: Silver-plated brass. 4-valve compensating system. 4th valve brings loop into windway which passes through 1st, 2nd and 3rd valves, these have short additional loops which are brought into the windway when used in combination with the fourth valve. Valve type: 4 Périnet valves; `Solbron' bronze pistons. Repair History: The legs of all seven tuning-slides have been extended to lower pitch from Old Philharmonic.
Overall size: 632; bell 253.
Sounding length: as modified, minimum 2728.
Bore: mouthpipe at c 30mm from mouthpiece receiver (minimum bore) 12.0; centre of 3 valve cluster at c 943mm from mouthpiece receiver, v.t.s. bore (1,2,3) 14.7; centre of 4th valve at c 523mm from mouthpiece receiver, v.t.s. bore (4) 16.6; m.t.s. at c 628mm from mouthpiece receiver, tuning slide bore 16.6; m.t.s. at c 917mm from mouthpiece receiver, tuning slide bore 19.6; 1364mm from bell end, c 25.0; c 943mm from bell end, 35.4. B = 0.46.
Dia of mouthpiece receiver: m.r.t. 13.1 - 12.5.
Inscribed on bell "PRESENTED TO THE / KETTERING SALVATION ARMY BAND / BY / MRS WILLIAM TIMPSON AND FAMILY / DEC 1931 / Imperial Model / SOLBRON / REGISTERED / CLASS A" / "TRADEMARK" and "BOOSEY" within trumpet and banner trademark / "COMPENSATING PISTONS / BOOSEY & CO LTD / MAKERS. LONDON / 133828 / British Throughout"; on side of 2nd valve casing "104958" and "P C G S" inside diamond with 13 dots /"TRADE MARK"; on sides of valve casings and top and bottom caps "16", "17", "18"; on latch for 4th valve "BOOSEY & CO / Rd 513169".
Decorative features: Floral embellishment around inscription on bell.
4th valve touchpiece missing.
Usable pitch: As modified, plays at A4 = 440 Hz.
Performance characteristics: Responds well.
Specific usage history: Kettering Citadel was one of the Salvation Army's finest bands when this instrument was donated to it. |