Observer posters & prints

Observing with the dipleidoscope Unknown

The old observing-room, Greenwich Anonymous

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

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

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

Taking Observations with a Sextant Andrew Pitcairn-Knowles

Observations Upon Stilts English School

Observing a solar eclipse, 1673 Unknown

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

Observer's Mate WA & AC Churchman

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

Paris Observatory, France, 1740 Unknown

Horse sticking head out stable window Anonymous

Observing a total solar eclipse, 1851 (1857) Anonymous

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

Commander Evans observing an Occulation of Jupiter Herbert Ponting

Girl in a Chair Hackney London 1892 Anonymous

Some of the Comic Elements in the Grounding of a Troopship Anonymous

The Return of the Balloon Francois Flameng

Nidanme, Act Two Anonymous

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

Series of observations of the planet Saturn, 1656 Unknown

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

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

Observer listening post Associated Newspapers

Observers, 2011 Vincent Alexander Booth

William Dampier, English buccaneer, sea captain, author and scientific observer McFarlane and Erskine

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

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

Head-and-Shoulders Portrait of Jean Marie Joseph Coutelle, Commander of the First Military Balloon Observation Unit in 1794 Anonymous

Observations on the Neilgherries, Neelgiries map Anonymous

V.24 galaxy in Coma Berenices John Frederick William Herschel

Temporary observatory for pendulum observations, Sumatra unknown

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

M.97 the Owl Nebula John Frederick William Herschel

Observations on the Neilgherries, map of the route from Madras to Ootagamund Anonymous