Observed posters & prints

The old observing-room, Greenwich Anonymous

Lovers observed George Morland

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

Animalcules observed by Anton van Leeuwenhoek, c1795 Unknown

Observations Upon Stilts English School

Commander Evans observing an Occulation of Jupiter Herbert Ponting

Observing a solar eclipse, 1673 Unknown

Parhelia observed in Kent Henry Miles

Observing a total solar eclipse, 1851 (1857) Anonymous

The Sun, observed through a prism James Sowerby

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

Observers, 2011 Vincent Alexander Booth

Taking Observations with a Sextant Andrew Pitcairn-Knowles

The Forthcoming Transit of Venus: Shed at Honolulu from which the Model of Venus is Observed, and One of the... Anonymous

The Proposal: 'Observe Her Eyes; The Flattering Tale's Believed' George Henry Harlow

Observer's Mate WA & AC Churchman

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

First Navy Observation Balloon Anonymous

Observation officer and signallers keep a sharp lookout, St Quentin, France, World War I Realistic Travels Publishers

Observer listening post Associated Newspapers

Observer of a kite-balloon testing the telephone before ascending Anonymous

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

Antoine Lavoisier Showing Water Experiment to Observers Anonymous

Meteor observed in London William Gordon

People watching a comet Anonymous

Paris Observatory, France, 1740 Unknown

The Heir To The Belgian Crown, Prince Albert Of Flanders, Is Fast Developing From A Rather Shy Young Fellow Into... Anonymous

Artillery observation officer in forward post, France, World War I Realistic Travels Publishers

Celebrating Yule-Tide Anonymous

Girl in a Chair Hackney London 1892 Anonymous

Newsboy selling 'The Observer' English School

Observations on certain curious Indentations in the Old Red Sandstone of Worcestershire and Herefordshire, considered as the tracks of antediluvian... Anonymous

Explanation of principles of physics, 1725 Unknown

Nidanme, Act Two Anonymous

Fruits of the Garden Joy Lions

'Observation post of General Mangin, 18th July 1918', Villers-Cotterets, Aisne, France Francois Flameng