Scale 1:192. Plan shows all decks, illustrating the atomic, biological and chemical protection arrangements on board the Leander class frigates. This drawing bears a Vickers Armstrong builder's stamp dated 15 August 1962, a Harland & Wolff builder's stamp dated 23 May 1963, a Yarrow & Co builder's stamp dated 31 July 1962, a Cammell Laird builder's stamp dated 8 August 1962, a Scotts Shipbuilding builder's stamp dated 19 September 1962 and a Swan Hunter builder's stamp dated 18 October 1962.