Technical description: Brass; plated stockings; wired bell rim. No tuning-slide, locks or water-key; short stockings. Slide separation 116 (centres); slide length 825. Weight of outer slide 482.5 g (without handle).
Overall size: 1355; bell 158.
Sounding length: minimum 3149.
Bore: at c 20mm from mouthpiece receiver (minimum bore), 12.45; not expanding in 100 mm from mouthpiece receiver; descending slide, 12.45; ascending slide, 12.45; at c 663mm from bell end, 17.6; at 15.9mm from bell end, 103.8. B = 0.76. Bell cutoff = 1100 Hz.
Dia of mouthpiece receiver: m.r.t. 12.6 - 12.5 (i.e. hardly a taper).
Usable pitch: A⁴ = 440 Hz or very slightly higher.
Performance characteristics: Responsive and well-in-tune.
Repair History: Original handle missing. New handle by Frank Tomes, supplied 31.8.00, copy of handle of G bass trombone in the Guy Oldham collection.
No inscriptions.
Illustration references: Vol. 1 p.146; Myers 1991, Plate 14; Myers 2000b, p.178.