Scale 1:48. A ozatrace copy of a plan showing the outboard profile, half plan, body pland and holes in bottom, illustrating the docking arrangements for the Ton class coastal minesweeper Bickington (1953). A John I. Thornycroft builder's stamp, dated 8 October 1953 is printed on the drawing. The drawing also shows modifications in green ink made at Chatam Dockyard dated February 1962. Further modifications made in pencil at Chatham Dockyard dated February 1975 are also on the plan.