5189600
9781852855710
This is a biography of Richard of Wallingford, England's greatest medieval scientist - a monk and a leper - and how he built an extraordinary astronomical and astrological clock.North, John is the author of 'God's Clockmaker Richard of Wallingford And the Invention of Time', published 2007 under ISBN 9781852855710 and ISBN 1852855711.
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