Charging gas retorts by hand.

Frere Come's single bladed lithotome, c 1780.

Mother and child wearing their gas masks, Southend, 29 March 1941.

Political cartoon, Paris, France, 19th century.

'Early Morning Waiter', 1930.

An advertising photomontage for Cinerama, 1952.

Cinerama screen, 1952.

Diagram showing how Cinerama works, 1952.

Promotional booklet for 'This Is Cinerama', 1952.

An advertising photomontage for Cinerama, 1952

An advertising photomontage for Cinerama, 1952.

Promotional artwork for Cinerama, 1952.