The Congreve Clock - By: Joey Pebble, 2009-04-09

The Congreve clock is a timepiece which was invented by Sir William Congreve in the year 1808. Unlike a traditional pendulum based clock, the Congreve clock uses a ball rolling down a zigzag path to regulate and monitor the passage of time. While his was not the first rolling ball clock to be invented, Congreve’s model is notable in that it improved heavily on earlier designs.

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