Scale: 1:48. Plan showing the part profile amidships, a part upper deck and part lower deck, and a section through the mortar bed for Indignant (1805) and Desperate (1805), both 14-gun Brigs refitted as mortar bomb vessels at Deptford in 1809. The plan was later used for Charger (1801), Rebuff (1805) and Safeguard (1804), also 14-gun gunbrigs, for receiving an 8 inch mortar at Woolwich, Chatham and an unknown yard respectively.

Signed by Robert John Nelson [Master Shipwright, Deptford Dockyard, 1806-1813].