DescriptionTechnical description: Brass. Downward-directed bell. Alternative main tuning-slides for F and E♭ (longer main tuning-slide folded for compactness). Music card-holder. Valve type: 3 Périnet valves, bottom-sprung; alignment by key on piston.
Overall size: 420 perpendicular to bell; corpus diameter 280; bell 260.
Sounding length: minimum (in F) 1801; the Eb main tuning slide air column is 241mm longer than the F main tuning slide.
Bore: mouthpipe at c 17mm from mouthpiece receiver (minimum bore) 9.2; m.t.s. at c 247mm from mouthpiece receiver, tuning slide bore 11.65; centre of valve cluster at c 585mm from mouthpiece receiver (in F), v.t.s. bore (1,2,3) 11.65; 1021mm from bell end, c 13.85; 900mm from bell end, c 14.7; c 613mm from bell end, 19.55; c 574mm from bell end, 20.8. B = 0.52 (in F); B = 0.55 (in Eb).
Dia of mouthpiece receiver: m.r.t. 9.9 - 9.3.
Inscribed on bell "ALLIANCE" / "LAFLEUR" with fleur de lys motif / "J.R. LAFLEUR & SONS LTD / LONDON. PARIS. NEW YORK / FOREIGN / IMPORTED BY BOOSEY & HAWKES LONDON / 1139".
Decorative features: Mother of pearl buttons.
With fitted black wooden case.
Usable pitch: Plays at A4 = 440 Hz.
Purchased by lender with, possibly formerly used with and possibly supplied by manufacturer with mouthpiece (3425); purchased by lender with and probably formerly used with similar instrument (3426); possibly formerly used with and possibly supplied by manufacturer with mouthpiece (3427).
Specific usage history: Formerly used by Bedfordshire County Education Service. |