Description3 valves.
Technical description: Brass with german silver bow guard and ferrules. No garland. Valve type: 3 Berlin-type valves, ports in one plane but not at 90° to windway. Repair History: Moving part of water-key a replacement.
Overall size: 892; bell 302
Sounding length: minimum 4084.
Bore: mouthpipe at c 20mm from mouthpiece receiver (minimum bore) 13.1; m.t.s. at c 325mm from mouthpiece receiver, tuning slide bore 15.05; centre of valve cluster at c 936mm from mouthpiece receiver, v.t.s. bore (1,2,3) 15.05; 2042mm from bell end, c 23.9; c 1446mm from bell end, 33.8. B = 0.49.
Dia of mouthpiece receiver: m.r.t. 13.6 - 13.1.
Inscribed on sides of valve casings "46", "47", "48".
Knob or ring broken off 2nd valve tuning slide. Screw missing from music card holder fitting.
Usable pitch: Diapason Normal; the very long main tuning slide allows lowering of 60 cents. |