Scale: 1/4":1'; 1/8":1'. Plans of Rambler, being plan of poop and forecastle, plan of lower deck, plan of hold, plan of upper deck, profile, arrangement of watertight compartments and sluice valves etc.; plan of Algerine, being arrangement of watertight compartments and sluice valves etc. Signatures include Chatham Yard Chief Constructor E.G. Warren and Sheerness Yard Chief Constructors - Ash and J. Elliott.