Observing posters & prints

Observing a solar eclipse, 1673 Unknown

The old observing-room, Greenwich Anonymous

Observing a total solar eclipse, 1851 (1857) Anonymous

Taking Observations with a Sextant Andrew Pitcairn-Knowles

Observing with the dipleidoscope Unknown

Observations Upon Stilts English School

Commander Evans observing an Occulation of Jupiter Herbert Ponting

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

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

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

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

Paris Observatory, France, 1740 Unknown

Temporary observatory for pendulum observations, Sumatra unknown

Observer listening post Associated Newspapers

Observer's Mate WA & AC Churchman

Johannes Hevelius observing through telescope Johannes Hevelius

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

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

Series of observations of the planet Saturn, 1656 Unknown

Observations on the Neilgherries, Neelgiries map Anonymous

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

Temporary observatory for pendulum observations, Sumatra unknown

First Navy Observation Balloon Anonymous

Observers, 2011 Vincent Alexander Booth

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

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

Kater's invariable pendulum and clock for gravity observations, Sumatra unknown

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

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

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

Henry Kater's telescope Anonymous

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

Men Observing Early Surgery Anonymous

Amundsen Observing with Partners Anonymous

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

V.24 galaxy in Coma Berenices John Frederick William Herschel