Chronometers Certified, highly accurate timepieces Worshipful Company of Clockmakers The ancient City of London Livery Company Glossary An informal glossary of horological terms The Royal Greenwich Observatory Home of the Prime Meridian and GMT Longitude An introduction to the longitude problem Orrery Not really horology - but still interesting! People Some of the famous names associated with horology Quartz The electrical quartz movement which made cheap, reliable watches widely available Time Clocks Clocking in and out Time Lady Ruth Belville used to sell the time in London Time & Motion From Taylorism to Therbligs

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