Marine engine, side lever / model

Model of a 320 horsepower side lever marine engine by J. and S. Seaward and Capel, London, 1838, with a brass plate reading "Presented by E. Jekyll Esq., late Grenr. Guards"

Marine engine

Model of a marine engine with two horizontal cylinders and modified Stephenson valve gear, built by Messrs Humphreys and Tennant of Deptford, London, to a scale of 1:12

Marine engine, oscillating / model

Wooden model of a two-cylinder marine engine made about 1851 and displayed at the Great Exhibition of that year