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Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model.
1642-1649 (original); 1883 (model)
Moving magnet galvanometer with dial inscribed "Greenwich Mean Time", 1843-1897
Early Balance Spring Pocket Watch by Thomas Tompion with Regulator Type Dial, 1675-1679
Byzantine portable universal altitude sundial with geared calendrical device