Blackburn Beverley C.1, 53 sqdn. 27¼in (69cm); Vickers Warwick C.III, serial HG 219, 525 sqdn. --16in (40.5cm); Vickers Warwick A.S.R.I., serial HF 693, 280 sqdn --16in (40.5cm); Bristol Brigand B.1, serial V.S.854, 84sqdn. --12¼in (31cm); Bristol Buckingham C.1., serial KV 405 --12 1/8in (30.5cm); and Armstrong Whitworth Albermarle G.T.1, 296 sqdn. --12 5/8in (32cm) (6)