Observed posters & prints

The old observing-room, Greenwich Anonymous

Killer Whale Breaching, British Columbia, Canada. Anonymous

Observations Upon Stilts English School

Taking Observations with a Sextant Andrew Pitcairn-Knowles

Observing with the dipleidoscope Unknown

Observing a solar eclipse, 1673 Unknown

First Navy Observation Balloon Anonymous

An Indian spy observes the arrival of a Spanish ship on the Mexican coast, 1579 Diego Duran

Michael and Mrs. Faraday Observing Experiment Anonymous

Newsboy selling 'The Observer' English School

I.K. Brunel and Others Observing the Great Eastern Launch Attempt Robert Howlett

Henry VIII and Anne Boleyn Observed by Queen Catherine, 1870 Marcus Stone

Family Observing a School Construction Site Anonymous

Lovers observed George Morland

Temporary observatory for pendulum observations, Sumatra unknown

Observing a total solar eclipse, 1851 (1857) Anonymous

Skyway and Observation Towers at Century of Progress Anonymous

A look-out on the bridge of a British warship Gregory & Co

Chess, 1812 John Harden

On the Lookout Wilhelm Kuhnert

Napoleon III at the Battle of Solferino Jean Louis Ernest Meissonier

US Observation Planes Flying in Battle Formation Anonymous

Worker Observing Finished Product Anonymous

1960s Man Jumping Waving Checkered Flag As Winning Sports Car Crossing The Finish Line Anonymous

Fable El Greco

Plate XXXVIII from Campi Phlegraei: Observations of the Volcanoes of the two Sicilies Pietro Fabris

Night Manoeuvres Peter A Ford

Observers, 2011 Vincent Alexander Booth

People watching a comet Anonymous

Observation of Yellow Fever, c.1819 Charles Lasteyrie du Saillant

Commander Evans observing an Occulation of Jupiter, Antarctica, 1910-1912 Herbert Ponting

Observer's Mate WA & AC Churchman

Commander Evans observing an Occulation of Jupiter Herbert Ponting

1960s Family Mother Father Son Daughter Watching Television In Living Room Indoor Anonymous

King of Siam (Thailand) observes the lunar eclipse from his palace Aart Dircksz Oossaan

Paris Observatory, France, 1740 Unknown