Scale 1:96. A drawing of the 3rd rate 80 gun warship Cambridge (1755) as converted to a prison ship, made at Plymouth Dockyard and dated 6 April 1779. Showing plans of the quarterdeck and forecastle, upper deck, middle deck and lower deck. With the inscription: 'Plans of His Majesty's Ship the 'Cambridge'. N.B. The red lines as fitted for a Prison ship'.