Ransome patent cast iron ploughshare, early 19th century.

Huxtable reversible plough, c 1877.

Melting cast iron and making castings from moulds, 1734.

A water cooled mould from a continuous casting machine, c 1970.

Cast iron plate rail, early 19th century.

Two links of anchor chain forged from puddled iron, 1780-1869.

'Ploughing' in Eastern Turkestan, c 1870s.

Railway with cast iron plate rails from Coalbrookdale, 1767.

Melting cast iron in a furnace by charging it with charcoal, 1734.

Ancient Chinese plough.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.

British standard steel rails, cast iron chairs and wooden sleepers, 1924.