This plaque features James Bradley. It's located at Meridian Building - Royal Observatory Greenwich.
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Description
The Bradley Meridian The first British National Meridian The Greenwich Meridian was set according to the location of the telescope used by the Astronomer Royal to establish time. Between 1750 and 1850, the Greenwich Meridian was marked by the north-south line running through the Transit Instrument first used by James Bradley, the 3rd Astronomer Royal (1742-62). The Bradley Meridian served as Longitude 0° for all of the earliest Ordnance Survey maps of England. When the Airy Transit Circle Telescope was erected in 1850, the Greenwich Meridian was moved approximately 19 ft east to its present location. This move equals only 1/50th of a second of time - a quantity too small for ninteenth-century astronomers to measure.
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James Bradley was born on 1 January, 1693. They died on 1 January, 1762. They lived to the age of 69.
Location
Connection of type 'located' between James Bradley and Bradley Meridian black plaque and Meridian Building - Royal Observatory Greenwich