J1650

'Impregnable' (1810) Long Caption: Scale 1:48. Plan showing the upper deck plan for 'Impregnable' (1810), a 90-gun Second Rate three-decker, building at Chatham Dockyard. Signed by John Henslow [Surveyor of the Navy, 1784-1806] and William Rule [Surveyor of the Navy, 1793-1813]. Credit line: © National Maritime Museum, Greenwich, London Object: ZAZ0291 Artist: unknown Date: 15 May 1798 Medium: technical drawing Size: 1395 x 361 mm Click here to buy a bespoke print of this image.