Observation posters & prints

The old observing-room, Greenwich Anonymous

Taking Observations with a Sextant Andrew Pitcairn-Knowles

Observations Upon Stilts English School

Commander Evans observing an Occulation of Jupiter Herbert Ponting

First Navy Observation Balloon Anonymous

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

Temporary observatory for pendulum observations, Sumatra unknown

Model intended to show error adjustments in zodiacal light observation Charles Piazzi Smyth

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

Observing a solar eclipse, 1673 Unknown

Temporary observatory for pendulum observations, Sumatra unknown

Darwin's Bird Observations English School

Toughtful observation, 2018 Patricia Brintle

Skyway and Observation Towers at Century of Progress Anonymous

Observing a total solar eclipse, 1851 (1857) Anonymous

Amudsen and Partner Making Observations Anonymous

Observation Car of the Coronation Anonymous

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

Lovers observed George Morland

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

Birdie reading observations on the Ramp, June 6th.11, 1911 Edward Adrian Wilson

Paris Observatory, France, 1740 Unknown

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

Children taking meteorological observations, Shrewsbury House Open Air School, London, 1908 Unknown

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

Taking Observations in a Blizzard Edward Adrian Wilson

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

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

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

Illumination of the Cross Joy Lions

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

Observer's Mate WA & AC Churchman

US Observation Planes Flying in Battle Formation Anonymous

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

Observer listening post Associated Newspapers

Grey drone-fly, observation XXXIX from Hooke's Micrographia, 1664 Robert Hooke