Gauge, 3 February 2007.

Magnetic petrol gauge, 1927.

Sundial by Edmund Culpeper.

'Digidial' remote display for lathe computer, 1982.

George England, English locomotive maker, mid-19th century.

George England, locomotive maker, mid-19th century.

Screw Micrometer, said to have been made by James Watt, probably 18th century.

Torquetum-type sundial, English, late 17th century.

Saddle tank steam locomotive, 0-4-0, 1933.

Apparatus for demonstrating the elasticity of a spring or wire, 1762.

Cab of 'The Mallard', London & North Eastern Railway locomotive no 4468, 1938.

'Leica III' camera, made by Leitz, 1933-1939.