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Derek Howse

    Greenwich Time and the Longitude
    The Tompion Clocks at Greenwich and the Dead-beat Escapement
    • Greenwich Time and the Longitude

      Official Millennium Edition

      • 199pages
      • 7 heures de lecture

      The history of the Royal Observatory, Greenwich has been revised to coincide with the Millenium. Color illustrations and updated text tell the story of Greenwich from its foundations in 1676 to its present status as Longitude 0°, the world's Prime Meridian for measuring longitude and time.The book covers the importance of longitude for navigation and traces the history of Greenwich Time, the basis of universal time-keeping.The book is co-published with the National Maritime Museum, where Derek Howse was the former Head of Navigation and Astronomy.

      Greenwich Time and the Longitude1997