William Jesop, English engineer, c 1800s.

Portable steam engine with threshing machine, 1851.

'Lymington Iron Works on the Tyne', 1835.

'Lymington Iron Works on the Tyne', 1835.

Design for improved iron rails, 1824.

The 'Comet' steam engine, 1812.

'Design of a Losh and Stephenson Locomotive Steam Engine', c 1826.

Steam-engine manufactory and iron-works, Bolton, Lancashire, 1832.

Technical drawing of a Watt steam engine, 1787.

Boring mill from Wilkinson's iron works, Bersham, Wales, 1775.

Robert Napier, Scottish marine engineer, c 1870.

Letter from George Stephenson to Ellen Gregrory, c 1840-1848.