Scale: 1:48. Plan showing the upper deck, and lower deck for the Thracian (1809) and later for Eclair (1807), both 18-gun Brigs, as converted to Ship Sloops. Thracian was altered to a Ship Sloop at Chatham Dockyard in 1822 , while Eclair was altered at Deptford Dockyard in late 1822 and early 1823.

Initialled by Joseph Tucker [Surveyor of the Navy, 1813-1831] and Robert Seppings [Surveyor of the Navy, 1813-1832].