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History
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First US edition cover
First US edition cover
Royal Observatory, Greenwich c. 1902 as depicted on a postcard
Royal Observatory, Greenwich c. 1902 as depicted on a postcard
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Royal Observatory, Greenwich. A time ball sits atop the Octagon Room.
Royal Observatory, Greenwich. A time ball sits atop the Octagon Room.
The Airy Transit Circle, used for over a century (1851–1953) as the reference point when charting the heavens and determining times, thus earning for
The Airy Transit Circle, used for over a century (1851–1953) as the reference point when charting the heavens and determining times, thus earning for it the epithet "the centre of time and space"
The building housing the origin of the Greenwich Prime Meridian, marked by the brass strip in the foreground. The apex of the roof opens up above the
The building housing the origin of the Greenwich Prime Meridian, marked by the brass strip in the foreground. The apex of the roof opens up above the white vertical strips (joints in the eaves are visible) to allow telescopic star sightings to be made.
The Shepherd Gate Clock at the gates of the Royal Greenwich Observatory. This clock shows Greenwich Mean Time all year round, ie. it is not set to Bri
The Shepherd Gate Clock at the gates of the Royal Greenwich Observatory. This clock shows Greenwich Mean Time all year round, ie. it is not set to British Summer Time in the summer.