. English: 'Impregnable' (1810) Scale 1:48. Plan showing the inboard profile for 'Impregnable' (1810), a 90-gun Second Rate three-decker building at Chatham Dockyard. The plan includes diagonal riders and bracing, which may be a later addition to the draught. Signed by John Henslow [Surveyor of the Navy, 1784-1806] and William Rule [Surveyor of the Navy, 1793-1813]. 'Impregnable' (1810) 4 'Impregnable' (1810) RMG J1640

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Size: 3990px × 1253px
Photo credit: © The Picture Art Collection / Alamy / Afripics
License: Licensed
Model Released: No

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