Solar eclipse observatory, Nicobar Islands, 1875.

Mounted policeman and CND marchers, April 1963 or 1965.

Observing an eclipse in China, c 1836.

Sir Arthur Havelock and spectators awaiting the eclipse, Jeur, India, 1898.

First London-Aldermaston march, London, April 1958.

The predicted path between India and Australia of the solar eclipse, 1871.

Cray 1A supercomputer, serial number 11, c 1979.

Observing an eclipse in China, c 1836.

Party of spectators preparing for the solar eclipse at Jeur, India, 1898.

The first and last contact of the moon's shadow during a solar eclipse, 1851.

Solar eclipse seen over the Royal Observatory, Greenwich, 15 March 1858.

Public witnes of the solar eclipse, London, 1870.