Bass trombone. Nominal pitch: G.
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). Repair History: New handle by Frank Tomes, supplied 31.8.00, copy of handle of Gbass trombone in the Guy Oldham collection.