ESA European Space History - On this day: 16 June 1657, the first pendulum clock was patented by its inventor, Dutch physicist, mathematician and astronomer Christiaan Huygens. Although others had worked in
![Travelling watch. This plain case contains a movement incorporating the most modern ideas of its time. Salomon Coster was one of the leading clockmakers of his day. He was in contact with Travelling watch. This plain case contains a movement incorporating the most modern ideas of its time. Salomon Coster was one of the leading clockmakers of his day. He was in contact with](https://c8.alamy.com/comp/2G23WBT/travelling-watch-this-plain-case-contains-a-movement-incorporating-the-most-modern-ideas-of-its-time-salomon-coster-was-one-of-the-leading-clockmakers-of-his-day-he-was-in-contact-with-eminent-scientists-such-as-christiaan-huygens-who-were-trying-to-increase-the-precision-of-timekeeping-instruments-as-a-result-costers-table-clocks-were-internationally-renowned-the-men-portrayed-on-this-watch-may-be-scholars-2G23WBT.jpg)
Travelling watch. This plain case contains a movement incorporating the most modern ideas of its time. Salomon Coster was one of the leading clockmakers of his day. He was in contact with
![FIRST PENDULUM CLOCK DESIGNED BY CHRISTIAN HUYGENS AND MANUFACTURED BY SALOMON COSTER, 1657 Stock Photo - Alamy FIRST PENDULUM CLOCK DESIGNED BY CHRISTIAN HUYGENS AND MANUFACTURED BY SALOMON COSTER, 1657 Stock Photo - Alamy](https://c8.alamy.com/comp/PPJ01P/first-pendulum-clock-designed-by-christian-huygens-and-manufactured-by-salomon-coster-1657-PPJ01P.jpg)