Model, or small example, of Nasmyth's steam hammer, c 1848.

Water-borne pile-driver, 1746.

Adding machine, c 1910.

'Introduction of the Slide Principle', by James Nasmyth, 1841.

Machines displayed at the Great Exhibition, London, 1851.

James Nasmyth, Scottish mechanical engineer, c 1860s.

Jesse Ramsden's glass plate electrostatic machine, c 1760s.

Engraving machine, c 1830.

'Wimshurst's Influence Machine, Recent Pattern', 1886.

Arkwright 's prototype spinning machine, 1769.

Arkwright 's prototype spinning machine, 1769.

James Nasmyth, Scottish mechanical engineer and inventor, c 1870s.