Observance 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

Observing a solar eclipse, 1673 Unknown

Taking Observations with a Sextant Andrew Pitcairn-Knowles

Observations Upon Stilts English School

Observing a total solar eclipse, 1851 (1857) Anonymous

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

Paris Observatory, France, 1740 Unknown

Commander Evans observing an Occulation of Jupiter Herbert Ponting

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

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

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

Horse sticking head out stable window Anonymous

Celebrating Yule-Tide Anonymous

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

Girl in a Chair Hackney London 1892 Anonymous

Observer's Mate WA & AC Churchman

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

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

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

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

Series of observations of the planet Saturn, 1656 Unknown

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

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

Observations on the Neilgherries, Neelgiries map Anonymous

Temporary observatory for pendulum observations, Sumatra unknown

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

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

Temporary observatory for pendulum observations, Sumatra unknown

The Return of the Balloon Francois Flameng

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

Nidanme, Act Two Anonymous

View of Hamilton escorting their Sicilian majesties on 11th May 1771, to observe the lava flow from the great eruption... Pietro Fabris

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

First Navy Observation Balloon Anonymous