DescriptionTechnical description: The tubing of gilding metal or red brass with yellow brass ferrules, ball, mechanism etc. Twin drum clock springs for slide; closed slide position adjustable by multi-toothed end-stop. With crooks for Eb, D and C of gilding metal or red brass; single-coil. The tuning bit is of yellow brass.
Decoration: Bell garland inscribed with floral pattern; decorated ball with groove.
Signature marks: Inscribed on applied silver shield on bell garland "J. GOODISON / MAKER / Broad St Golden Sq / LONDON".
Overall size: 593; bell 109
Sounding length; instrument without shanks or crooks, 1819; overall air column lengths of crooks: (a) 271; (b) 385; (c) 650; bit (d) 80.5.
Bore: at c118mm from mouthpiece receiver (minimum bore), 10.8 at 910 mm from bell end, c 10.9; main slide 10.9 - 10.9; at c 222mm from bell end 15.4; at c 13.0mm from bell end, 68.5.
Dia of mouthpiece receiver: taper on instrument body to receive crooks, bits or mouthpiece 12.3 - 11.7.
Usable pitch: Plays c 50 cents above A⁴ = 440 Hz with mouthpiece (3289), with slide fully closed and without any bit; either a bit or the toothed slide stop mechanism allows use at A⁴ = 440 Hz or below.
Performance characteristics: The input impedance and harmonicity of the air-column resonances are reported in Myers and Campbell 2006.
Playing accessories: The three crooks (giving Eb, D and C) and one tuning bit appear to be associated with this instrument, but the association cannot be established with certainty.
Lent with, possibly formerly used with and possibly supplied by manufacturer with mouthpiece (3289). |