Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model. Time Measurement 1642-1649 (original); 1883 (model)
Silver and tortoiseshell watch pair-cased watch with differential dial by John Ferrers Clockmakers 1690-1695
Watch movement with a quarter-repeating mechanism of early design by Thomas Tompion. Clockmakers 1680