'Train to Plane', BR poster, c 1980s.

Two polished stone axes, Neolithic Period, c 8000 - 3500 BC.

Metal shop, Langley Research Center, USA, 1 January 1928.

'Puffing Billy' steam locomotive, outside the Patent Museum, London, 1876.

'Puffing Billy' steam locomotive, 1813.

'Puffing Billy' steam locomotive, 1813.

'Puffing Billy' steam locomotive, outside the Patent Museum, London, 1876.

'Inclined Plane on the Morris Canal', United States, mid 19th century.

A1966.24/MS0001/3/Neg 12-B-19

A1966.24/MS0001/3/Neg 12-B-37

A1966.24/MS0001/3/Neg 12-B-36

Northgate locks, Shropshire Union Canal, Cheshire, c 1890.