Verge watch by Johannes van Ceulen of the Hague, 1690-1700.

1690-1700.

Spring-driven pendulum clock by Johannes van Ceulen of The Hague, c. 1695

1670-1680

Early pendulum clock by Salomon Coster, c.1657.

1657-1659

Model of Huygens' Pendulum Clock, as Illustrated in his 'Horologium' of 1658.

1956

Cane seat from Fokker FV11 3M airline

Working model of Day and Night Terrestrial Globe

1938-1939