Two pharmacy jars, 18th century.

Two-colour Technicolor still from 'The Blac

Stereoscopic camera, 1856.

Stereoscopic camera, 1856.

Vulcanite plaques (two in one frame), c 1840.

Two thermometers, 1835-1875.

Double-barrelled air pump, late 18th century.

Amputation saw and two artificial arms, 16th century.

'Just made a few Thousands in Railways?', 1845.

Amalthea, one of the moons of Jupiter, photographed by Voyager 1, 1979.

Hop pickers at Victoria Station, London, 1919.

Two children operating a jigger in a mine, 1842.