A George III bronze 9 inch sundial plate, by George Adams, London, mid-18th century, engraved with 8-point compass rose, hours marked with Roman numerals and divided by 5 minutes, solid gnomon, signed G ADAMS At, No 60 Fleet St, LONDON, 23cm diameter Note: 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)