Entrance to the Royal Liver Building, Liverpool, 1945.

Liverpool Overhead Railway, February 1955.

Mersey Ferry, Liverpool, c 1912.

Children being given a stag's liver, October 1979.

'The Royal Society's Fire Escape', 19th century.

The Royal Society's Fire Escape, 19th century.

Royal Carriage shed, Wolverton, 1993.

Royal Carriage shed, Wolverton, 1993.

Royal Carriage shed, Wolverton, 1993.

'Jedi' helmet for magnetic resonance imaging (MRI) of the brain, 1984.

'Jedi' helmet for magnetic resonance imaging (MRI) of the brain, 1984.

Cartoon faces on the Faraday cage of an MRI scanner, early 1970s.