The Congreve Clock



English Congreve Clock by French Royal Exchange

The mechanism of this captivating Congreve-type rolling ball timepiece is considered the most frustrating, yet fascinating of timekeeping instruments. The widely recognized design was patented by Sir William Congreve in 1808, and reflects the aspiration of clockmakers to find an alternative to the pendulum as the escapement regulator. In this interpretation of Congreve's ingenious design, crafted by renowned clock makers French of the Royal Exchange, a steel ball takes 30 seconds to run down the inclined zig-zag track where it trips the escapement, reversing...Learn More