Manuscript carbon copy of a lecture delivered by John Henderson, engineer, regarding roofing materials and construction of hutting, delivered on 7 Feb 1855.
Possibly relates to army accommodation in the Crimea.
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).