'Impregnable' (1810) RMG J2690, ship plan, Royal museums Greenwich

'Impregnable' (1810)
Scale 1:48. Plan showing the layout of aft part of the gun deck (lower deck) for 'Impregnable' (1810), a 90-gun Second Rate three-decker, as fitted at June 1848 while the flagship at Plymouth, and with proposed alterations to the bulkhead positions.
Signed by William Edye [Master Shipwright, Devonport Dockyard, 1843-1859].

'Impregnable' (1810)