Manuscript carbon of a letter from John Cochrane to E Lamiral dated 13 Mar 1855.
Relates to Cochrane's written report on Lamiral's invention of a submarine craft and Cochrane's opinion of it.
From a collection of papers relating to the career of John Cochrane, engineer, with particular reference to his advisory role to the Crimean railway for the Board of Ordnance and consultation on the possible use of a submarine vehicle there devised by a Frenchman, E Lamiral and partner, 1854-1855.
Associated with the Crimean War (1854-1856).