A new design in 1951 of ballast wagon with removal ends for the Southern and Scottish Regions. Both unfitted and vacuum brake, some later rebuilt with vacuum brake, different doors and CRAB with fixed sides. see Bartlett, & Mann, (1984) Non Hoppered Steel Ballast Wagons. Part 2 The Lamprey. Model Railway Constructor vol. 51 (part 607) pp 647 - 652, Models in 4mm by Chivers fineline. NOTE – These photographs are low quality scans and may not print well. Do not order larger prints.