
Jon Baddeley
Specialist Consultant Collectors, Science & Marine
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Sold for £956.25 inc. premium
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Specialist Consultant Collectors, Science & Marine

Head of Department
The shadow cast by the central protruding gnomon can be read against the minute divisions to provide an accurate time reading. The signature Adams could refer to a number of instrument makers operating in London throughout the 18th century, including George Adams and his sons George (II) and Dudley.